Changes in individual states' agricultural production diversity and variance of cash receipts were measured over the 30-year period 1960 through 1989. Diversity was measured using a general index, of which the inverse Herfindahl and the Entropy are special cases. Cash receipt variability was...

This study assesses the performance of Botswana's traditional arable agriculture for the 1968-90 period. Growth rate and arable sub-sector production models are specified and estimated to determine how the sub-sector performed over time, and to capture the impact of the Accelerated Rainfed...

On-and off-farm employment offamily farm members has been a permanent phenomenum in U.S. agriculture. In this paper, a family-farm model is extended to include both on-and off-farm labor supply decisions for farm-households in the U.S. com sector. A unique empirical measure of economic welfare...

Botswana has, for the past two decades, used import controls (permits) to regulate horticultural imports, and thereby promote economic diversification through import substitution. This article estimates import demand equations to capture the impact of import controls on horticultural imports...