Heterogeneous beliefs among market participants can lead to questionable speculative trading that goes beyond any risk-sharing motives. We demonstrate that such unwarranted betting behavior in market equilibrium can be mitigated by introducing nonlinear pricing for ambiguous contracts, without...

We argue that capital misallocation arises endogenously due to incomplete consumption insurance. We model risk-averse entrepreneurs with heterogeneous productivity who face idiosyncratic output shocks and choose how much capital to rent before uncertainty unfolds. We show that incomplete markets...

This paper examines the resource mismatch in China's healthcare sector from 2010 to 2019. We use structural efficiency to measure the resource mismatch in the healthcare industry (0.2-0.7). We find that an increase in the proportion of private hospitals decreases the healthcare resource mismatch...

In this paper, the non-parametric frontier methodology (DEA) with input orientation, variable returns to scale, and the Malmquist productivity indices are used to study the level of national and regional efficiency and know the productive change of Spanish hotels in the period 2014-2021, after...

This report, developed by the World Bank's Global Indicators Group, provides a comprehensive analysis of building energy codes (BECs) across 88 countries, highlighting their critical role in driving energy efficiency and sustainable development. With buildings accounting for 37 percent of global...