The challenges of sustainable development (and climate change and peak oil in particular) demand system-wide transformations in socio-technical systems of provision. An academic literature around co-evolutionary innovation for sustainability has recently emerged to attempt to understand the...

In fragile states, social protection programmes are often a kaleidoscope of projects financed and implemented by a variety of donors, government agencies and NGOs. Such an environment does not foster a strong sense of ownership by beneficiaries, which weakens the likelihood of sustainability in...

Countries are often slow to adjust their economic structures to new necessities although this reform reluctance is costly in terms of growth and employment. This paper analyses the relevant factors that block or foster economic reforms. Theoretical considerations show that there are at least...

Economists and demographers have long argued that fertility differs by income (differential fertility), and that social security creates incentives for people to rear fewer children. Does the effect of social security on fertility differ by income? How does social security change the...