STEADY-STATE LABOR TURNOVER AS OPTIMAL HOUSEHOLD BEHAVIOR*

ABSTRACT. Models of the firm with costly labor turnover and models of migration with location-specific consumption amenities are two standard explanations of the co-existence of persistent wage differentials with extensive labor mobility. Labor turnover models postulate a worker quit function where the quit rate is inversely related to the regional wage differential in the steady state. We use amenity-consumption models of migration to show conditions under which this postulate is consistent with household utility maximization. Our model extends standard amenity-consumption analysis by making the value of amenities contingent on the “state” of the household. These household states are defined in terms of demographic, education, and health characteristics and are assumed to follow a Markov process.     

Modern ideology and the creation of ancient town planning

This paper examines the historiography of ancient town planning and the Roman city, with particular attention to its origin in the town planning debate of the early twentieth century. It questions the existing dichotomies, ‘civilised'/'uncivilised’, ‘classical'/'barbarian’, ‘urban'/'proto‐urban’, that have characterised this history. Finally, the paper examines the effect of the separation of the academic disciplines of classics and archaeology in Britain upon the history of ancient urbanism.     

SOFT VERSUS HARD: AN AUSTRALIAN STUDY OF AN IDEOLOGICAL BASIS TO ATTITUDES TOWARDS ENERGY USE AND SUPPLY

A distinguishing factor of western societies is their consumption of energy. In 1986, Canada, the United States, and Australia had per capita consumption rates of 6.3, 4.7, and 3.2 times the global rate, respectively (DIESA 1988). Much of this energy is supplied by fossil fuels. At present, fossil fuels are economically attractive and their relatively high energy densities make them particularly attractive for transport purposes. However, their supply is finite (particularly in the case of petroleum) and their consumption produces atmospheric pollution. The depletion of fossil fuels or a rapid global warming of the atmosphere may eventually force changes in the way developed countries use energy (Lowe 1989). As everyone is an energy consumer, changes in consumption at a societal level are linked with changes at a personal level.     

The Politics of Environmental Policy in the People's Republic of China

The People's Republic of China (PRC) has made substantial progress in developing environmental legislation and a complementary regulatory structure. These gains are directly related to the economic reforms and opening to the outside world that began in the 1970s, which introduced a greater emphasis on efficiency and more awareness of the costs associated with pollution and environmental degradation. However, the economic growth and devolution of power unleashed by the reforms have also created new environmental stresses and to some extent reduced the regulatory capability of governmental authorities. As a result, some environmental stresses are increasing even as progress is made on other fronts. Political participation is restricted and environmental issues only occasionally acquire political salience. However, international pressure on the PRC to conform its conduct to international environmental norms is likely to increase, which is likely to affect domestic policymaking.