More random links

Invest in women? The effects of aid on female entrepreneurship
"There is a lot of talk about “investing in poor women”. They will grow businesses, get richer, be empowered, and invest in children. So give them a cow or a grant or a microloan. It’s been a very effective marketing message for aid agencies, but it’s not clear it’s true. Especially the part about women entrepreneurs and women empowered. A lot of the experimental evidence has been pretty pessimistic on this front–to the surprise of many."
How the rest of the world brushes their teeth
"How is it that some people who have never used a toothbrush have also never had a cavity?"
Indian police given moustache pay
"Police in a district in India's Madhya Pradesh state are being paid to grow moustaches because bosses believe it makes them command more respect."
Should one person always stay at home? An economist considers.
Not a statement I was expecting: "Married gay men with kids are actually slightly more likely than heterosexual couples to be in a relationship where one person stays home full time."