1.1.2.3. Supply and demand relationship in tourism
Talking about the tourism market means talking about tourism supply, tourism demand and the relationship between them in the tourism market.
Demand for tourism is formed and developed in the process of development of human society. Demand in tourism is the social need to use services such as transportation, accommodation, food, ... and tourism goods. Demand in tourism is extremely diverse and rich because it depends on the psychology, awareness, culture, ... of each tourist.
According to author Nguyen Van Luu (2009), tourism demand "is a part of the social demand with the ability to pay for goods, materials and tourism services to ensure travel, temporary stay, and entertainment of people outside their regular residence, for the purpose of rest, entertainment, cultural learning, medical treatment, participation in special programs and other purposes" [3].
According to Nguyen Van Manh and Nguyen Dinh Hoa (2015) [5], demand in tourism is expressed in two forms: primary demand (tourists) and secondary demand (people buying tourism products for business) and has the following characteristics:
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Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in people's daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone company's network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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- Mainly demand for services
- Diverse and rich

- High flexibility
- Space-faring, dispersed
- Cyclical
Supply comes into being with the emergence of tourism demand. Tourism supply is the ability to provide tourism services and goods to satisfy people's tourism needs. Demand in tourism is mainly for services, so tourism supply mostly exists invisibly. Tourism supply has the characteristics of non-storage, on-site consumption, and inseparability of tourism products. [3]
According to Nguyen Van Luu (2009), "tourism supply is the ability to provide tourism goods to meet tourism demand (both physical goods for tourism and tourism services) brought to the market for sale at different prices that sellers accept in a certain time and space" [3].
Supply and demand are closely related. Starting from the tourism needs including essential needs, typical needs and additional needs of tourists, tourism business sectors have been created. Tourism businesses will link with service providers to exploit tourism resources to serve their customers - who come from all over the country and around the world.
1.1.3. Tourism market segmentation
1.1.3.1. Concept of tourism market segmentation
According to authors Nguyen Van Manh and Nguyen Dinh Hoa (2015), “A market segment is a group of buyers who respond relatively similarly to the same set of marketing stimuli. Market segmentation is the process of dividing buyers into groups based on differences in needs, desires, behaviors or personalities” [5].
The purpose of market segmentation is to “help tourism businesses select one or more target market segments as priority targets for their marketing strategies” [5].
1.1.3.2. Market segmentation criteria
Also according to Nguyen Van Manh and Nguyen Dinh Hoa (2015) [5], in tourism, people often use some of the following common criteria as a basis for market segmentation:
- Segmenting the tourism market by geographical criteria is a segmentation approach based on dividing the market into customer groups with the same geographical location (country, region, city, countryside...). For example: businesses
Vietnam tourism industry can segment the market according to large geographical areas such as Southeast Asia market, North Asia market, Northern Europe market, Western Europe market, North America market, etc. Market segmentation according to geographical areas is often used most commonly because the geographical areas have been clearly defined, making it easy to identify market segments. Geographic factors have a great influence on the habits, living standards, concepts, customs and habits and from there on the demands of the people living there because in the same geographical area, the residents there will have quite similar consumption habits.
- Segmenting the tourism market by demographic criteria is a commonly used approach. This segmentation is based on census information, which is collected on: age, gender, education level, average income, family size, occupation, religion, ethnicity and some other factors.
- Segmenting the tourism market based on psychological and social criteria, the market will be divided based on the psychological factors of tourists. This market segmentation is based on criteria such as personality traits, lifestyle, and social class of tourists to divide the market into segments.
- Segment the tourism market according to tourists' consumption behavior into groups that are similar in terms of the following characteristics: purpose of the trip, benefits that customers are interested in, status of using tourism services, frequency of tourism consumption, level of willingness to buy tourism products, customer loyalty to tourism business services.
+ Segmenting by purpose of the trip will help tourism businesses provide services that are appropriate to the needs of customers to achieve their travel purposes. For example, the needs and desires of business travelers and pure tourists are completely different.
+ Segmenting by customer benefits is to discover the main benefits that customers are looking for. For example, the main benefit of a trip is enjoyment or discovery,...
+ The status of tourism service usage is divided into market segments such as non-travelers, travelers, prospective travelers, and frequent travelers.
+ Travel consumption frequency includes groups of people who travel less, averagely and many times a year.
+ With the level of willingness to buy tourism products, the market is divided into groups of people who understand thoroughly about tourism products, groups of people who have just learned the information, groups of people who do not know the information at all, groups looking for benefits, groups who want to buy and groups who are ready to buy tourism products.
+ Customer loyalty to tourism business services is divided into levels: relative loyalty, non-fixed loyalty and no loyalty.
+ Customer attitudes towards tourism products at each stage such as: love, indifference, hate.
1.1.4. The significance of tourism market segmentation
According to Nguyen Van Manh and Nguyen Dinh Hoa (2015) [5], market segmentation has the following meanings:
+ Help tourism businesses easily determine and measure the size and proportion of each of their small market segments, thereby creating the most appropriate policies for each market.
+ Helps tourism businesses accurately identify competitors, thereby enabling tourism businesses to analyze competitive advantages, point out their strengths and weaknesses and those of their competitors, thereby having effective competitive strategies.
+ Is an effective measure to increase revenue, maximize profits and increase economic efficiency for tourism businesses.
+ Help tourism businesses develop appropriate human resource management policies.
+ Help businesses have investment strategies for marketing activities and use their marketing budget more effectively.
1.2. Tourist market research
1.2.1. Concept and objectives of tourist market research
“Tourism market research in a broad sense is the process of analysis and hypothesis to find out the consumer behavior (behavioral model). The responses of competitors and partners. The fluctuations of science and technology that affect the product structure of destinations and businesses. The macro management policies and mechanisms at home and abroad that affect the supply and demand of tourism.”[5]
“Tourism market research in the narrow sense includes only the study of tourism consumers and their consumer behavior patterns.” [5]
Within the scope of this topic, the author only conducts research in a narrow sense, that is, studying Western European tourists and their consumer behavior based on secondary documents and through interviews with experts who are leaders of international travel businesses across the country.
The objectives of market research in the narrow sense are linked to the study of the following issues [5]:
+ Business customers.
+ Characteristics of the business's customers.
+ Target customers of the business.
+ Customer response to products and services provided by the business.
+ Changes in customer needs.
1.2.2. Stages of tourist market research
It can be said that to attract tourists, it is necessary to research the tourist market. There are three stages in market research activities [5]:
The first phase is a potential research phase carried out with the following specific tasks:
- Market potential assessment helps tourism service providers see opportunities in providing their services by collecting customer information about the attractiveness of the tourism program and the image of the business.
- Researching customer buying behavior is researching customer motivations and consumption habits to know what factors influence potential customers' decisions to buy tourism products.
- Research travel readiness to understand potential customers' use of leisure time for travel.
The next phase is the current research phase which includes the following contents:
- Tourist participation behavior and personal information exchanges reveal customer characteristics about their needs and how they want to obtain services.
- Customer behavior as a tourist is the study of tourist behavior during the implementation of the tourism program from using services to spending as well as allocating time during the trip.
- Tourist satisfaction is expressed through satisfaction with tourism services after they experience the purchased tourism products.
The final stage is the results research stage focusing on content such as customer satisfaction with the trip; information from statistics on customer spending during the trip; and the rate of registration to buy services for the next trip.
1.3. Experience in researching and exploiting the Western European tourist market of Thailand and lessons to apply to Vietnam
1.3.1. Experience in researching and exploiting Thailand's Western European tourist market
According to statistics compiled by the General Department of Tourism based on data from the World Tourism Organization (UNWTO), Thailand ranked 9th in the top 10 markets in terms of international arrivals in the world in 2018 with 38.2 million arrivals and ranked first in terms of international tourists to ASEAN countries in 2019 with 39.8 million arrivals. Thailand is also the fourth country in the top 11 markets in terms of total revenue from international tourists. According to data from the Pacific Asia Travel Association (PATA), Thailand leads in the number of arrivals from large, quality source markets such as Japan, the US, Russia, the UK, France, and Germany [22]. This shows that Thailand is the most attractive destination in ASEAN. So, what have the Thai government and tourism industry done to attract tourists, especially Western Europeans?
Geographically, Thailand is located in the center of Southeast Asia with an area of 513,520 km2, the second largest in the ASEAN region, after Indonesia. To the east and northeast, it borders Laos; to the west, it borders Myanmar, to the south, it borders Malaysia, and to the southeast, it borders Cambodia [18].
Thailand is a constitutional monarchy headed by the king. Thai people have great respect for their king. The population of Thailand in 2018 was 69,428,520 people [36] with more than 94% of people following Buddhism [18]. Thai people are simple, polite, considerate, open and hospitable. It is the openness and hospitality of the people that has made Thailand known as the "land of smiles".
The Tourism Authority of Thailand (TAT) was established in 1960 as a government agency. In 2002, TAT became a part of the Ministry of Tourism and Sports, responsible for marketing and promoting tourism. After the initial period of rapid tourism development, Thailand tourism focused on
The policy for sustainable tourism development has three key elements: (1) protecting the environment and natural resources, (2) educating and disseminating information to people and tourists to have correct awareness of tourism, (3) developing human resources for tourism [18].
To attract tourists, stimulate their purchasing power and prolong their stay, TAT has created diverse and unique tourism products by building tourism products according to themes, with the slogan "Seven Amazing Wonders": (1) Thailand: products related to Thai art, tradition, style and culture, (2) Treaure: heritage and history, world heritage sites, historical sites, temples and museums, (3) Beaches: famous beach resorts in Thailand, (4) Nature: eco-tourism products, adventure, national parks, (5) Health and Wellness: medical tourism, resorts and beauty, (6) Trends: unique style hotels, shopping centers, nightlife, (7) Festivals: domestic and international events and festivals [18].
In its tourism marketing policy, Thailand focuses on high-spending markets such as the UK, Germany, the US, the Middle East and nearby markets. The key markets where Thailand strongly promotes tourism are North Asia, Southeast Asia, South Asia, the South Pacific, Europe and the Americas [18]. Currently, the Tourism Authority of Thailand has established 29 representative offices in most key markets in regions such as ASEAN, South Asia, the South Pacific, East Asia, North America, Europe and the Middle East. In Western Europe alone, there are 4 representative offices for Thai tourism in 4 different countries [40]. This makes it easier for Western European visitors to obtain information and work directly, as well as helps Thailand promote its image more strongly. Thailand has spent a lot of money on tourism promotion. The Tourism Authority of Thailand receives approximately US$80 million annually from the Government for tourism promotion activities. This funding is used mainly for





![Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in peoples daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone companys network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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