Summary The "old" familiar diseases of cholera and typhoid remain a serious health threat in many developing countries. Health policy analysts often argue that vaccination against cholera and typhoid should be provided free because poor people cannot afford to pay for such vaccines and because...

According to advocates, eco-certification can stem environmental damages from tourism in developing countries. Yet we know little about tourism operators’ economic incentives to get certified. To help fill that gap, we use detailed panel data to analyze the Blue Flag beach certification...