Dual quality food: A negative social externality or a competitiveness opportunity?<br />

f/sla from learner perspectives: a social activity or a cognitive process

in the past couple of decades sociocultural theory of sla and its implications in efl contexts have attracted attentions of research circles worldwide and aroused some controversies. firth and wagner (1997) have questioned the principles of the cognitive view which gives importance to mental constructs in favor of sociocultural view which highlights social and contextual constructs. but if soci...

Medical innovation and social externality

Healthcare expenditure in the United States has grown and will continue to increase. The increasing healthcare expenditure is to reduce real income as well as to diminish total utility and increase financial stresses. This study argues that the most critical factor that increases healthcare expenditures during last 50 years has been the advent, adoption and diffusion of new medical technologies...

Social Identity and Competitiveness

Women are widely under-represented in top-level social positions. While several potential reasons may explain this fact (Goldin and Rouse, 2000, Altonji and Blank, 1999), recent findings have emphasised one specific cause as particularly relevant: women are less likely to self-select into competitions (Gupta et al., 2005, Niederle and Vesterlund, 2007, Niederle et al., 2008). Dargnies (2009) sh...

Social Capital and Systemic Competitiveness

A Differential Oligopoly Game with Sticky Prices and Environmental Externality