With the current phenomenon of aging populations in most parts of the world, there are corresponding increases in age-related conditions associated with impaired cognitive status, such as dementia and delirium. Cognitive status is a key component in carrying out activities of daily living such as walking and bathing, and departures from normal cognitive status may be indicators of acute (e.g., ...

Introduction "Long long ago, when wishing still could lead to something, there lived a king whose daughters all were beautiful, but the youngest was so beautiful that the sun itself, who has seen so many things, simply marveled every time it shone on her face." (Grimms' Fairy Tales, No.1, The Frog King) From this brief snippet of a fairy tale and its title, we already know and understand much o...

the study investigates consumers’ preference for cowpea reflected in the nigerian markets through price discounts and premiums that consumers pay for different cowpea characteristics. the price data used for this study were obtained through a market survey. a common data collection protocol was employed. every month, between october 2009 to december 2010, five cowpea samples per seller were bou...

In this paper I study the possibility of full surplus extraction on arbitrary type spaces, with three main results: (i) I characterize full surplus extraction, (ii) I characterize full surplus extraction assuming that the surplus-extracting allocation is implementable, and (iii) I show that virtually full surplus extraction implies full surplus extraction. The characterizing condition in (ii) a...

Crowdsourcing systems leverage short bursts of focused attention from many contributors to achieve a goal. By requiring people’s full attention, existing crowdsourcing systems fail to leverage people’s cognitive surplus in the many settings for which they may be distracted, performing or waiting to perform another task, or barely paying attention. In this paper, we study opportunities for lowef...

There is increasing interest among funding agencies to understand how they can best contribute to enhancing the socio-economic impact of research. Interdisciplinarity is often presented as a research mode that can facilitate impact but there exist a limited number of analytical studies that have attempted to examine whether or how interdisciplinarity can affect the societal relevance of researc...

The Dynamics of Marriage and Divorce We formulate and estimate a dynamic model of marriage, divorce, and remarriage using 27 years of panel data for the entire Danish cohort born in 1960. The marital surplus is identified from the probability of divorce, and the surplus shares of husbands and wives from their willingness to enter marriage. Education and marriage order are complements in generat...