stability and structural change of iranian consumers' preference for tea commodities during 1988-2005 is investigated throughout the coarse of this study. to this end, nonparametric test of revealed preference has been utilized. results of weak axiom of revealed preference (warp) show that in 1995 a contradiction has been in observed consumers' preference for tea with the null hypothe...

We study the joint evolution of sectoral composition and investment rate developing economies. Using panel data for several countries in different stages development, we document three novel facts: (a) share industry are strongly correlated follow a hump?shaped profile with (b) goods contain more domestic value added from less services than consumption do, (c) differs one GDP. build multi?secto...