Financial markets exhibit an asymmetric news effect with unexpected low prices generating more price volatility than 'news' of high prices. The present study examines US food markets for such asymmetric news effects. Analysis of 25 years of monthly data for 45 retail food items shows that price...

This paper pictures the global influence of various patterns of returns to scale in the general equilibrium model of production with two factors and two goods. Constant, increasing, and decreasing returns to scale at the sectoral level are explicitly specified. The changing slope and curvature...

This paper investigates the trend in the monthly real price of oil between 1990 and 2008 with a generalized autoregressive conditional heteroskedasticity (GARCH) model. Trend and volatility are estimated jointly with the maximum likelihood estimation. There is long persistence in the variance of...

This paper investigates whether the North American Free Trade Agreement (NAFTA) has had any measurable impact on Alabama pulpwood production since 1993. The method used is to establish a time series model up to the beginning of NAFTA and examine whether there has been a discernable shift since....

Textile and apparel industries in the US face import competition that promises to increase under the Free Trade Area of the Americas. The present paper utilizes a specific factors model of production and trade to predict the potential impact of FTAA on the textile and apparel industries in North...