Why Do Truffles Smell So Delicious?

Why Do Students Find Statistics So Difficult?

Why do we love medicines so much?

Humans love medicinal drugs; we cannot get enough. Worldwide, the amount of money spent on medicines annually is growing exponen­ tially and is expected to reach around uS$1 trillion in 2012. So far, there has been no satisfactory explanation for human ‘pharmo philia’, our powerful trop­ ism to medicines. Most studies that have attempted to provide an explanation have focused on classical suppl...

Why Do Chinese Households Save So Much?

Using a dataset that covers 5 decades (1960–2009), we show that the main determinants of China's household savings rate are disposable income (measured by its reciprocal) and the old-age dependency rate. The income growth rate and young age dependency rate have a limited role. Our findings support the Keynesian saving hypothesis instead of Modigliani’s life cycle hypothesis, although precaution...

[Why do we age so differently?].

One of the most intriguing aspects of ageing is how different the ageing process is from person to person: some maintain their physical and cognitive abilities throughout a long life while others lose these abilities rather early in adult life. The basis for this variation is largely an enigma. In this review some of the most prominent ageing theories are described and compared with results fro...

Why Do People Work so Hard?

Conventional economic theory, coupled with standard preference parameters predict that labor supply should fall markedly over time. However, this contradicts the empirical reality that labor supply rises at the very onset of economic development, subsequently tends to fall, and then stabilizes. This paper addresses this pattern of labor supply over time, and explains it via the proliferation of...