Bandiera et al. use a Bayesian hierarchical model to show that we can learn new things about different questions by aggregating evidence we already have.
Big companies offer more variety, savings and convenience, but the extra chunk of profits is split among fewer workers. Full paper here (pdf).
Farmer and Platonov attempt to reinvent the IS-LM model.
A SIPRI guide to arms, the universe and everything.
Nobel Laureate James Heckman and INET President Rob Johnson discuss an environment that constricts the idea space and reinforces tired orthodoxies.