in order to produce new hybrids and evaluate the general and specific combining ability of sunflower inbred lines and restorers, four inbred lines and six restorers were selected in 2004. twenty-four f1 hybrids were derived in 2004 and evaluated on a rcbd design with three replications in 2005. the results of variance analysis showed that treatments were significantly different for all traits e...

Willingness to risk is an important characteristic of entrepreneurship and a crucial factor for economic growth and economic development. An experimental study has been performed that demonstrates that people can use even a single old episodes from their own experience where they acted in a risky manner and benefited from that and chose by analogy to act risky in a new situation. Moreover, it h...

This paper examines how a country’s organization of its financial activities its financial structure affects how corporations invest and raise funds. We provide an analysis of how financial structure affects economic growth for a given degree of financial and economic development. Differences in the organization of financial activities are shown to affect the creation of new businesses as well ...

Infrastructure is indispensable to achieve the main development targets in developing countries, such as urbanization, industrialization, export promotion, equitable income distribution, and sustainable economic development. Late developing countries can benefit from previous development experience provided they choose the right model. However, the relationship between infrastructure and econom...

Despite these challenges, we have certainly come a long way. We have learned to rely on "natural experiments" something like studying the resilience of a roofing structure by investigating the aftermath of a hurricane to compensate for the unavailability of controlled experimentation. The rational expectations revolution and recent developments on bounded rationality and experimental economics ...

Jlinlo~.>:Jcal invasions of native forests by nonnative pests result from complex stochastic processes t!ut .1re diHicult to predict. Although economic optimization models describe efticient controls JcTchs the stages of an invasion, the ability to calibrate such models is constrained by lack of lllicmnation on pest population dynamics and consequent economic damages. Here we dcscril)l~ c'c'ono...

Goods producers in Canada rely on transportation networks to move raw materials and intermediate goods among production sites and finished goods to domestic and international markets. Firms in the retail, tourism and other service sectors also depend on transportation networks to assemble supplies and goods for sale and to bring customers to their facilities. Events that disable parts of the tr...

This paper provides clear cut evidence that the slope and curvature factors of the yield curve contain more information about future changes in economic activity than the term spread alone, often used in practice as an indicator of future economic conditions. These two factors constitute independent sources of information about future economic activity, which are o¤set to each other in term spr...

The theory of social determinants of health (SDH) posits that the health of people and communities is affected by social and economic factors (i.e., economic stability, education, neighborhood and built environment, health and health care, and social and community context). These interrelated constructs may negatively affect minority patients’ ability to participate in cancer research. Understa...