One of the most striking features of economic growth is the process of structural change whereby the share of agriculture in GDP decreases as countries develop. The cross-country growth literature typically estimates an aggregate homogeneous production function or convergence regression model...

In This Paper We Present and Implement an Econometric Test of Both Negative Semi-Definiteness of the Matrix of Compensated Price Effects and of the Negative Quasi-Definiteness of the Matrix of Uncompensated Price Effects. This Test Allows Us to Evaluate Two Alternative Characterizations of...

Applications of Aggregate Spatial Direct Demand Models to Interzonal Urban Transportation Are Not Frequently Found in the Literature. This Is No Doubt Due to the Difficulties Encountered in Calibrating Such Models. They Are Therefore Seldom Used by Researchers. the Purpose of This Paper Is to...