Externalities, Information Costs, and Social Benefit-Cost Analysis for Economic Development: An Example from Telecommunications

摘要: The analytics of achieving a socially optimal allocation investment resources has been continuing problem in the field economic development. Early work on this subject focused externalities and need to include analysis project's "indirect" promotional effects.' Later research what came be called social benefit-cost (SBCA) added an emphasis shadow prices, uncertainty, and, increasingly, income distribution effects.2 In principle, these diverse concerns are complementary rather than competitive. conditions less developed country (LDC), side effects creation can very significant.3 Similarly, indirect impact may also substantial. Consequently, incorporating is necessary take benefits costs into account. practice, however, more recent SBCA have sometimes accompanied by diminished interest externalities.4 This paper presents example that illustrates importance including considering both efficiency equity consequences choice. Our analyzes welfare telecommunications (primarily telephone) facilities developing countries.5 Investments make available additional telephones LDCs often viewed as having similar increased availability consumer durables like color television or air conditioning. Those goods primarily convenience for upper classes, their enlarges further