Japan imports rather than exports forestry products even though it has ample forestry resources. Moreover, the leading exporters of forest products often have strong market power in the trade market of forestry products. The possibility of incomplete competition in the Japanese wood import...

In this study, stochastic frontier analysis with a time-varying panel data model was applied to analyse short- and long-run cost functions; the short- and long-run cost efficiencies of rice farms in Taiwan from 1980 to 2008 were measured by treating five size classifications in 15 counties in...