The purpose of the study was to examine the role of problem sets on student learning and satisfaction in university microeconomics. 126 students participated in the study in consecutive years. Independent samples t-test shows that students who were not given answer keys outperformed students who...

This article examines financial linkage of systematic risks for 20 industry portfolio returns between Korean and US stock markets. Time-varying beta coefficients of Capital Asset Pricing Model are estimated and Granger-causality tests are carried out for identifying the significance of the...

As a result of the 1973 oil embargo and the subsequent increase of world oil prices, the oil price control program took place in order to reduce the impact of sharply higher external oil prices. In this regard, since the domestic price for oil was below that of the world market, the price...

The purpose of this article is to examine the trade imbalance between the United States and China, and how it affects the United States' trade deficit. Contrary to our expectation, the United States' imports from China have no significant effect (actually a negative effect) on the United States'...

This study investigates the role of superstars in the Korean movie industry. We apply a two-step approach: the first step is to test the significance of the star power during 1988-1999 in Korea; the second step is to estimate the magnitude of star power. The appearance of a star actor increases...

This study examines the extent to which changes in household formation exacerbated income inequality in the United States during the last two generations. Using a time-varying parameter model, the impact on how marriage decisions, changes in human capital, and fertility choices influence...

This article examines the determinants of revenue in the motion picture industry. The sample consists of 435 films released during 1965 to 2010. This study finds that the main actor or actress and director in a movie are the most likely determinants of whether or not a movie is a box office...

This study examines the extent to which changes in household formation exacerbated income inequality in the United States during the last two generations. Using a time-varying parameter model, the impact on how marriage decisions, changes in human capital, and fertility choices influence...