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The rapid progress of neuroscience and the interdisciplinary collaboration between neuroscience and psychology have begun to provide valuable insights for understanding the dynamic and implicit nature of human motivation by identifying the in vivo neural mechanism of motivation. One of the fundamental questions in the field of the neuroscience of motivation is what neural mechanisms underlie the direction, intensity, and guidance of our motivation and subsequent actions. This prologue explains how neuroscience can contribute to the understanding of human motivation. To accomplish this purpose, we present what neuroscientific data look like, identify 13 key motivation-relevant brain structures, and introduce 3 key motivation-centric brain circuits – namely, the reward circuit, the value-based decision-making pathway, and the self-regulation/self-control network.

Corporate social responsibility (CSR) index represents attributes of firms that are differentiated. The purpose of this paper is to investigate the impacts of differentiated CSR, CSRS (strategic CSR activities) and CSRD (defensive CSR activities) on R&D expenditure and its effectiveness on firm values.

The sample includes 1,388 firm-year observations for 2004–2015 of listed firms on the Korean Stock Exchange (KSE) whose CSR measures, KEJI (Korea Economic Justice Institute) index are available from the Citizens' Coalition for Economic Justice (2016).

The results show that while CSRS is positively associated with R&D expenditure, CSRD is not. Further, development costs and its interaction term with CSRS positively affect firm values.

This study provides an important reason to separate the attributes of the CSR in future empirical studies. The results imply that the study of effects of CSR on sustainable growth or firm values should focus on CSRS rather than CSR activities in general in future research.

The purpose of this paper is to evaluate the applicability of Porter's model of generic strategies as applied toward online retailers following the United States Supreme Court's decision in Leegin, which appears to signal greater tolerance for minimum vertical price maintenance agreements.

The paper is based on a review of the literature and examines cases relating to minimum resale price maintenance agreements. Relying heavily on Porter's framework, it explores the strategic implications of the recent decision in Leegin for on‐line retailers, many of whom rely on a cost leadership competitive advantage.

Since the increased likelihood that vertical minimum price maintenance agreements will be permitted, thereby lowering the barriers to entry, online retailers may be deterred from utilizing low costs to under‐price traditional retailers. As a result, the Leegin holding has devalued the feasibility of pursuing a cost leadership strategy, and e‐tailers may need to adopt alternative or integrative strategies for securing a competitive advantage.

The paper incorporates literature pertaining to Porter's model of generic strategies, online pricing strategies, as well as recent court cases.

South Korea has signed and implemented 15 free trade agreements (FTAs) with 52 countries. More than 80 percent of imports of agricultural products came from FTA partner countries in 2015. We can say that South Korea entered the era of an opening in agricultural import sector. It means that FTA is an important factor in causing changes in agricultural imports. As a result of the implementation of the FTA, tariff cuts and other changes in trade conditions could lead to an increase in imports of agricultural products from FTA partner country or diversity of partners. South Korea has implemented 15 FTAs so far, each with a different period of implementation, different scale of trade, and different major trade items. This means that each FTA will have a different size and type of impact on the changes in the import structure. Therefore, the purpose of this paper is to analyze how the FTA actually affected agricultural imports and what type of impact each FTA had. Especially, the authors focused on the effects of trade creation and diversion to analyze the patterns of structural changes in the import of agricultural products according to the implementation of FTAs.

In this study, the authors analyzed both trade creation and trade diversion effect through the poisson pseudo-maximum likelihood method based on the previous research gravity model of Magee (2008, p. 353) and Yang and Martinez-Zarzoso (2014, p. 144). The biggest improvement compared to the standard gravity model is that all variables such as GDP, population, and distance are removed. This model cannot be regarded as a gravity model because the basic parameters of gravity model such as GDP, population, distance are excluded, but it can be said that the fixed effect variables replace the basic parameter of the gravity model.

According to the analysis, the authors found that the effects of trade creation were apparent in the early stages of FTA implementation before 2011 and the effect of the trade transition was seen in the mid-FTA transition period after 2011. The authors also clarified the pattern of structural changes in the agricultural imports of each FTAs. It is shown that the change in agricultural import structures was more apparent in major FTAs like the Korea-ASEAN, Korea-EU, and Korea-US FTA. In other words, the effects of trade creation and trade diversion in these FTAs were found to be statistically significant.

The limitations of this study are as follows. First, as multiple FTAs are implemented simultaneously, the effects of individual FTA can be offset. Second, the FTA effect of each item was not reflected, because it was analyzed based on the amount of imports by country. Third, the effect of the trade between the partners was not reflected. Therefore, future studies need to add or supplement these limitations.

This paper demonstrated through an empirical analysis that the FTA directly affects changes in agricultural import structure. And it proved that the period of FTA implementation, items imported from FTA partner countries, and the size of imports affected the structure of agricultural imports. Of course, changes in the domestic consumption patterns, changes in the supply and demand, conditions of quarantine inspection, and preference of importers are also factors that affect the structure of agricultural imports. It is expected that the effect of trade creation and the effect of trade diversion in agricultural import will be more significant when tariff rates are further decreased due to FTA implementation and domestic demand of agricultural product rises as a result of an economic recovery. As the FTA directly affects changes in agricultural imports, it should be carefully dealt with when signing a new FTA or improving the existing ones. And appropriate measures should be taken to minimize damages to the domestic agricultural sector due to changes in the import structure of agricultural products.

This paper fulfils an identified need to do research what kinds of effect occurred after FTA implementation in the agricultural sector. An empirical analysis was conducted on the effects of trade creation and diversion of agricultural products, based on the actual results of bilateral trade between the 50 major importers of agricultural products, including the 30 FTA partner countries.

From 1953 to 1961, the South Korean economy grew slowly; the average per capita GNP growth was a mere percent, amounting to less than $100 in 1961. Few people, therefore, look for the sources of later dynamism in this period. As Kyung Cho Chung (1956:225) wrote in the mid‐1950s: “[South Korea] faces grave economic difficulties. The limitations imposed by the Japanese have been succeeded by the division of the country, the general destruction incurred by the Korean War, and the attendant dislocation of the population, which has further disorganized the economy” (see also McCune 1956:191–192). T.R. Fehrenbach (1963:37), in his widely read book on the Korean War, prognosticated: “By themselves, the two halves [of Korea] might possibly build a viable economy by the year 2000, certainly not sooner.”