روش پرتفوی مالی برای بازار آمیخته بهینه توریستی
|کد مقاله||سال انتشار||تعداد صفحات مقاله انگلیسی||ترجمه فارسی|
|19946||2008||10 صفحه PDF||سفارش دهید|
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Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : Tourism Management, Volume 29, Issue 4, August 2008, Pages 761–770
This study applied a financial portfolio theory to estimate optimal market mixes to minimize the instability of inbound tourist market demand. An empirical analysis was applied to inbound tourists to Taiwan. The results shed light on diversification in tourism market and offer tourism authorities and policy-makers explicit guidelines for risk management in the destination planning process. Specifically, using optimal mixes with various return/risk options can facilitate a more stable pattern of arrivals from foreign countries. To achieve the Doubling Tourist Arrivals Plan, introduced by the Taiwanese government in 2002, the tourism authorities should take the high-return/high-risk option and shift available resources to Japan. More policy implications are provided to guide tourism authorities and policy makers.
International tourism plays a significant role in the economic development of many destination countries. It becomes an important source of business activities, contributing to income and generating employment. The tourism industry, however, shows considerable instability in demand (Sinclair, 1999). It is desirable that tourist arrivals keep increasing and contributing to the growth of income and employment. Decreased arrivals can adversely affect a local economy, with an especially substantial effect if one of the primary tourist markets sees a sharp decrease in international arrivals. Accordingly, efforts should be made to alleviate the level of fluctuation in tourist demand. Thus, the goal of volatility management for tourist arrivals from different source countries needs to be incorporated into the tourism planning process. A destination country should attract a distribution of nationalities, so the total level of volatility in tourist arrivals is minimized. The instability of demand for international tourism may be the result of changes in exchange rates, prices, economic upheavals, political unrest, and promotional activity among other things (Sinclair, 1999). The instability pattern of arrivals can differ by nationality because tourists from each country are sensitive in different ways to changes in these variables (Board, Sinclair, & Sutcliffe, 1987). For economic, political, and social changes, different tourist nationalities have different levels of volatility, or risk, as measured by the variations in demand. Policy makers in charge of the long-term development of the tourism industry should make good use of available resources to attract a distribution of tourists by nationalities to minimize the volatility of tourism demand. Minimizing instability in tourism demand is quite similar to stock investors trying to choose optimal portfolios that minimize return volatility. Mutual fund managers decide on optimal stock mixes that minimize return volatility (risk), based on a financial portfolio theory. In general, the portfolio theory helps investors choose the proportion of their total investment budgets to allocate to different securities. Tourism policy makers may be able to borrow the portfolio theory for deciding optimal market mixes. In developing a financial portfolio theory, Markowitz (1952) and Markowitz (1959), the 1990 Nobel Laureate in economics, suggested that particular combinations of securities could reduce the overall level of instability of returns, because each security has a unique level of risk and expected return. He defines risk as a variation in return in the theory. Simply put, the portfolio theory recommends that investors construct security mixes that have minimum risks for any level of return, or maximum return for any level of risk. In the contemporary finance world, the portfolio theory has become the most popular tool to build risk-minimizing portfolios of securities, given the expected returns of the individual securities. Sets of these optimal portfolios comprise an efficient frontier, which specifies the maximum return for any risk level from the possible investments (Fig. 1). Among the optimal points on the efficient frontier, some investors may prefer lower-risk, lower-return portfolios; others, medium-risk and medium-return portfolios. Still others may choose high-risk, high-return portfolios. Given the knowledge of the investor's return/risk trade-off and estimates of the expected return and risk associated with each security, portfolio analysis can determine optimal mixes of securities for the investor (Board et al., 1987). Full-size image (20 K) Fig. 1. The efficient frontier. Figure options The basic principles of the financial portfolio theory can be applied to optimal foreign tourist market mixes. Similar to stock markets, tourist markets have different levels of return (arrivals) and risk (instability). Even though return and risk in tourism cannot be defined in exactly the same way as in the finance field, Jang, Morrison, & O’Leary (2002) and Jang, Morrison, & O’Leary (2004) provide a hint about an application of finance-related idea to tourism research. Indeed, Jang, Morrison, & O’Leary (2002) and Jang, Morrison, & O’Leary (2004) explained how return and risk concepts in finance can be applied to tourism. What they actually employed in their study includes profitability measured with mean travel expenditure, risk gauged with the standard deviation, and coefficient of variance (CV) using both mean and standard deviation. Along the similar line, we use the number of arrivals as the tourist market return and the standard deviation of a mean arrival as volatility, or market risk, in this study. As in selecting an optimal combination of securities, portfolio analysis can help determine the optimal tourist market mixes to minimize variance in demand. The application of the financial portfolio theory is not absolutely new in travel and tourism research, but only a few studies have used the theory for optimizing regional tourism (Board et al., 1987; Board & Sutcliffe, 1991; Sinclair, 1999) and mitigating seasonality (Jang, 2004), until recently. Earlier studies using the portfolio theory for tourism have primarily dealt with specific objectives such as bed-night demand optimization and seasonality minimization. However, to make wide use of the theory in the tourism industry, it is critical to apply it using readily available data. In that respect, this study uses easily obtained tourist arrival data. Also, the uniqueness of this research among the few financial portfolio studies in tourism is that it attempts to segment foreign tourists by nationality, as often is done in the industry, and to propose an efficient frontier to tourism authorities to optimize tourist arrivals, so that they can use the frontier as a long-term guide for development and resource allocation. That is, this research provides more practical and realistic solutions to achieve destination policy-makers’ objectives of stable foreign tourism demand on a long-term basis. Thus, the primary goal of this research is to propose and demonstrate a practical tool to help the tourism industry understand optimal foreign tourist market mixes through the financial portfolio technique. This study explores the volatility and tourist arrivals associated with Taiwanese inbound tourist markets and applies the financial portfolio theory to estimate optimal market mixes that will minimize the instability of tourist demand. Each portfolio is associated with a different expected level of arrivals and level of instability, depending on the weight taken by its component markets. The optimal mix solutions sought in this study are based upon tourist arrivals in Taiwan during 1996–2005 (a 10-year period). This study is organized in the following sections: The next section briefly describes the Taiwanese tourism development and its contribution to economic growth in Taiwan. Section 3 presents foreign tourism demand for Taiwan. Financial portfolio theory and objective function are addressed in Section 4. Section 5 shows empirical results, and Section 6 concludes this study. The final section offers some limitations and future research direction.
نتیجه گیری انگلیسی
Using the financial portfolio theory, this study illustrates how Taiwan, as a destination, can obtain optimal foreign tourist market mixes to minimize variability in visitor arrivals. As explained in the previous section, there could be a set of optimal market mix solutions. Taiwan tourism authorities can choose one of the obtained solutions, according to their return (arrivals)/risk (instability) preference. If they pursue a high-return/high-risk solution, they have to focus their efforts on the Japanese market. In addition, they need to increase the visitors from Thailand and the Philippines to mitigate the volatility of the Japanese market. To achieve the Doubling Tourist Arrivals Plan, Taiwan should take the high-return/high-risk option and shift available resources to Japan. The market shares of recent years shown in Table 1 indicate a rapid rise in the Japanese market, as suggested, but the share patterns of Thailand and the Philippines are not in the same direction that the optimal mixes demonstrate in Table 4. If a medium return/medium risk is the target, the market weights of Japan and the US should be raised to slightly more than the current level. Also, increasing the number of tourists from Thailand and the Philippines would be necessary. For the low-return/low-risk option, tourism policy makers of Taiwan should allocate fewer resources for Japan and instead should use more resources for other markets, especially the US, to increase numbers of tourists. Overall, to stabilize tourism demand from foreign countries, Taiwan should maximize visitors from Thailand and the Philippines, regardless of return/risk preference, because the two countries show negative correlations to the rest of the countries, meaning that they can greatly contribute to smoothing out the fluctuations of foreign tourists to Taiwan. As noted earlier, international tourism is an important part of generating income and employment in many countries. However, the instability of tourism demand has been criticized as a critical drawback, leading to adverse effects on a local economy. Efforts have been directed toward increasing the diversification of tourism products, but studies as to how to mitigate the instability level have been rare. This study stresses volatility management for foreign tourist arrivals and illustrates how to achieve quantitative solutions using financial portfolio analysis. Even though the portfolio theory was not developed for the tourism market, portfolio mixes can give useful information to travel destinations, providing a better picture and understanding of each tourist market to help policy makers effectively devise strategies for long-term tourism development and also help policy makers focus on the concept of risk management. After market mixes options are estimated, it is important to compare the actual mix of tourists to the optimal mix, which will allow consideration of current standing and future direction. This may provide guidelines for a marketing program aimed at influencing market distribution and, ultimately, making tourism a stable industry. The suggested mix of each market may serve as a guide or stimulus to policy makers to explore significant shifts in resources but probably cannot be implemented without modification. One such modification could involve specifying upper and lower limits for the weights of markets. The limits used in this study are only one example. Thus, they can be adjusted for policy-makers’ preferences.