Life-history theory proposes that organisms must trade-off investment in current and future reproduction. Production of ornamental display is an important component of reproductive effort that has rarely been considered in tests of allocation trade-offs. Male eastern bluebirds (Sialia sialis) display brilliant ultraviolet-blue plumage that is correlated with mate acquisition and male competitiv...

Since the early 1990s, Cuba has experienced serious economic problems that resulted from the demise of the Soviet Union and the disappearance of the Council for Mutual Economic Assistance (CMEA), the economic and financial system in which the island was inserted. At end of the 1980s, some 81% of Cuba’s external commercial relations were with the member countries of the CMEA. In 1989, Cuba expor...

Traditionally, the primary health care has focused on education and health campaigns, as part of a strategy to address the diseases of interest in public health1. As many of these problems still remain in the public health agenda, it is urgent to review the concept of primary health care. In the past, the control of vaccinepreventable diseases was its main success2,3. For the future, it is nece...

This paper examines the migration response to a millionaire tax in New Jersey, which raised its income tax rate on top earners by 2.6 percentage points to 8.97 percent, one of the highest tax rates in the country. Drawing on unique state tax micro-data, we estimate the migration response of millionaires to the rate increase, using a difference-in-differences estimation strategy. The results ind...

Conley and Wilkie (1993) introduced and axiomatized the Nash extension bargaining solution, defined on a domain of comprehensive but not necessarily convex problems. In this paper we present a non-cooperative game that implements the Nash extension solution in subgame perfect equilibria in the limit as the discount rate applied between rounds of play vanishes. Journal of Economic Literature Cla...

Technological innovation is vital to enhancing agricultural productivity and reducing poverty in many developing countries. Public investment in research and development has historically driven technological change in agriculture; however, recent trends suggest that the private sector may play a larger role in the future. Although there is optimism about the private sector’s ability to generate...

The current crisis, as well complicated economic relations between countries, sustainable development risks of global value chains (GVCs), and international trade protectionism cause changes in the modern system foreign direct investment (FDI). Due to complexity these vulnerability world economy future recessions, it is necessary develop a new concept cross-border capital flows form FDI. resear...