The Heckscher-Ohlin-Vanek model predicts relationships among industry input requirements, country resource supplies, and international trade in commodities. These relationships are tested using data on twelve resources, and the trade of twenty-seven countries in 1967. The Heckscher-Ohlin...

The type of activity in which entrepreneurs engage is likely to influence the potential contribution of entrepreneurship to economic growth and prosperity. Yet the entrepreneurship literature has focused largely on identifying the determinants of the level, rather than the type, of...

Recent theory casts doubt on the frequently used interindustry regression method of inferring a country's abundant factors. This paper examines the empirical importance of these theoretical qualifications by comparing regression-derived estimates of factor abundance with both revealed and actual...

This paper presents a more complete theory of data analysis which allows for changes in the state of mind of the observer and also for approximations that limit planning costs. Discussion is included on the form that criticism should take, and the extent to which planned responses to the data...

This paper extends the simple errors-in-variable bound to the setting of systems of equations. Both diagonal and nondiagonal measurement error covariance matrices are considered. In the nondiagonal case, the analogue of the simple errors-in-variable interval of estimates is an ellipsoid with...