Kim, Sukkoo <br/><br/>
Economic integration and convergence : U.S. regions, 1840-1987 

 - Cambridge, Mass. :  National Bureau of Economic Research,  1997 
 - 32 
<br/><br/><label>Subjects--Topical Terms: </label><br/>REGIONAL ECONOMIC DISPARITIES--UNITED STATES--HISTORY--ECONOMETRIC MODELS<br/>UNITED STATES--ECONOMIC INTEGRATION--HISTORY--ECONOMETRIC MODELS<br/>ECONOMICS--RESEARCH
<br/><br/><label>LC Class. No.: </label>HC103  / K55E