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International Factor Mobility, Nontraded Goods, and the International Equalization of Prices of Goods and Factors

1975; Wiley; Volume: 43; Issue: 1 Linguagem: Inglês

10.2307/1913417

1468-0262

Carlos Alfredo Rodríguez,

Economic Theory and Policy

Within the context of a world where some goods may be nontraded and some factors may be internationally mobile, this paper analyzes the conditions under which trade in factors can replace trade in goods in the presence of tariffs or taxes. crucial issue regarding the perfect substitutability between trade in goods and trade in factors turns out to be whether the sufficient conditions for international equalization of prices of goods and factors are exactly met, not met, or met in excess. THE TOPIC OF international equalization of factor prices has been widely discussed in the literature, starting with P. A. Samuelson in 1948 [4]. However, the treatment of the problem has consistently been restricted to the case where all goods are being traded and all factors are immobile between countries. A breakthrough came with Ken-Ichi Inada's article The Production Coefficient Matrix and the Stolper Samuelson Condition [2]. There he accepts that some goods may not be traded between countries, and then shows at what level, and how many, nominal factor rewards governments should fix through intervention in order to obtain international equalization of prices of goods and factors (IEPGF). In Section 1 of this paper we extend Inada's results to include the possibility of international factor mobility, thus eliminating the necessity of government fixing of factor rewards in order to get IEPGF. We will thus be looking for sufficient conditions for IEPGF when some goods are nontraded and some factors are internationally mobile. In Section 2 we analyze some of the implications of models where the sufficient conditions for IEPGF which we found in Section 1 are either not met, exactly met, or met in excess. In particular, we will show that the results obtained by Robert Mundell [3] about perfect substitutability between goods movements and factor movements are due to the fact that he is working with an overdetermined model, in the sense that the sufficient conditions for IEPGF are met in excess. We will be only concerned with the case where the total number of goods equals the total number of factors. It is assumed that each country produces the same n goods with the help of the same n factors under linear homogeneous production functions which are identical for all countries. All n factors are used in some positive amount in the production of each good. Of the n goods, k < n are traded;