This study uses a cross-country panel to examine the determinants of corruption, paying particular attention to political institutions that increase accountability. Even though the theoretical literature has stressed the importance of political institutions in determining corruption, the empirical literature is relatively scarce. Our results confirm the role of political institutions in determi...

Davis, Jedwab and Smith recently proved that there are no 2-dimensional Barker arrays except of size 2×2. We show that the existence of a (d+1)-dimensional Barker array implies the existence of a d-dimensional Barker array with the same number of ±1 elements. We deduce that there are no Barker arrays having more than two dimensions, as conjectured by Dymond in 1992.

background: asthma is the main reason of disability, health resource exploitation and low quality of life for those who are affected. it is estimated that nearly 300 million people in the world are suffering from asthma. studies have identified 18 genomic regions and more than 100 genes associated with asthma. among these candidate genes, il-17f plays a very interesting role in asthma. this stu...

THE US HEALTH SYSTEM FACES ONGOING CHALLENGES in addressing its shortcomings in access and quality. Against a foreground of uneven and fragmented care lies a bleak background of unrelentingly accelerating costs. Although the problems of quality and costs are long-standing, several organizations have recently asserted that there is a new impending health care “tragedy”: the physician workforce s...

Decades of research predominantly conducted in Western societies reveals that people, especially the less wealthy, are averse to high levels inequality. However, empirical comparative studies on perceived wealth and inequality aversion across nations rare. Here, we examine how responses unequal monetary allocations among those with or low subjective might differ U.S. China. Four reveal people w...