We first demonstrate that, within a fully integrated economy (FIE) in which there is free mobility of goods and factors, each FIE member's share of total FIE output will equal its shares of the total FIE stock of each productive factor. This equal-share property implies that, if economic...

This discussion paper led to a forthcoming publication in </I>Journal of Regional Science</I> entitled 'Are EU Countries less Integrated than US States? Theory and Evidence'.<P>European economic integration is commonly believed to be incomplete, and that further reforms are needed. In this context, the...</p>