Income disparity across countries has been large and widening over time. We develop a tractable model where factor requirements in production technology do not necessarily match a country's factor inp
该数据集包含2019年在美国1,139个城市中发生的308,051个音乐事件的信息,这些城市的人口均在10,000人以上。数据集涵盖了28个社会经济指标,分为6个类别:交通、人口、经济、年龄、教育和种族。此外,数据集还引入了Live Event Music Rate (LMER),这是一个用于衡量音乐场景活跃度的一维启发式指标,计算方式为2019年城市中列出的总事件数除以根据2019年人口普查估计
County Buddy is a dataset detailing the presence, count, and institutions of special populations (incarcerated individuals, college students, military personnel, and Native Americans) at the U.S. coun