This research provides one of the first empirical estimates of a data-based dynamic factor demand model for American and Canadian agriculture. Models such as these deserve more widespread use in the empirical analysis of agriculture. These models have the advantage that they do not impose...

The purpose of this paper is to establish a relation between the empirical estimates of productivity and technical change. Few studies have tended to give estimates of that relation. The measuring of productivity involves the use of an implicit production function. Moreover, measures of...