Quality Adjustment under Quotas in a Multiproduct Model with Joint Production
研究配额约束下，规模效应和范围经济/不经济如何影响出口产品质量升级的方向和程度，发现范围效应可能导致配额类别内低质量产品出口增加。
This study examines the roles of scale effects and economies and diseconomies of scope in determining the direction and extent of quality upgrading in a quota-constrained market. A model of joint production of two outputs is developed. It is shown that the quality upgrading phenomena in conventional models may be partially or completely countered by scale as well as scope effects. In particular, the analysis develops the conditions under which the presence of scope effects can potentially result in a shift of the composition of the export bundle in favor of the low-quality product within a quota category. Copyright 1991 by The editors of the Scandinavian Journal of Economics.