This paper addresses a common criticism of certification processes: that they simultaneously generate excessive complexity, insuficient scrutiny and high rates of undue validation. We build a model of persuasion in which low and high types pool on their choice of complexity. A natural criterion...

We analyze the expected effects of building a rail tunnel between Lyon and Turin on i) the market shares of the established and the new suppliers, and ii) consumer surplus. The prospective project consists of a 53km rail tunnel providing freight shippers with a new alpine path. We calibrate an...

We analyze the expected effects of building a rail tunnel between Lyon and Turin on i) the market shares of the established and the new suppliers, and ii) consumer surplus. The prospective project consists of a 53km rail tunnel providing freight shippers with a new alpine path. We calibrate an...

The goal of this paper is to estimate the additional annual spending required for meaningful progress on the SDGs in these areas. Our estimates refer to additional spending in 2030, relative to a baseline of current spending to GDP in these sectors. Toward this end, we apply an innovative...

This paper discusses the definition and modelling of a universal basic income (UBI). After clarifying the debate about what a UBI is and presenting the arguments in favor and against, an analytical approach for its assessment is proposed. The adoption of a UBI as a policy tool is discussed with...

This paper documents the additional spending that is required for sub-Saharan Africa (SSA) to achieve meaningful progress in SDGs by 2030. Benin and Rwanda are presented in detail through case studies. The main lessons are: i) average additional spending across SSA is significant, at 19 percent...

This paper discusses two common arguments for the adoption of a UBI; that it can be a more effective way of supporting low-income households when existing safety net programs are inefficient, and that it can generate broad support for structural reforms. Using India as an illustration, the paper...