How can policies improve the welfare of people in economically lagging regions of countries? Should policies help jobs follow people? Or should they enable people to follow jobs? In most countries, market forces have encouraged the geographic concentration of people and economic activities -...

In many countries, place specific investments in infrastructure are viewed as integral components of territorial development policies. But are these policies fighting market forces of concentration? Or are they adding net value to the national economy by tapping underexploited resources? This...

What are the main determinants of transport costs: network access or competition among transport providers? The focus in the transport sector has often been on improving the coverage of "hard" infrastructure, whereas in reality the cost of transporting goods is quite sensitive to the extent of...

Today, 370 million people live in cities in earthquake prone areas and 310 million in cities with high probability of tropical cyclones. By 2050, these numbers are likely to more than double. Mortality risk therefore is highly concentrated in many of the world s cities and economic risk even...