In-memory Data Science

As computer memory becomes abundant, it is now possible to load large data sets in main memory for fast analysis, without the input/output overhead of secondary storage or the complexity of distributed computing. But with data size close to your …

Early Impact of Transportation Network Companies on Taxi Demand

Urban transportation is undergoing rapid changes, facing challenges from technology-enabled private mobility services. Managing the existing modes of transportation along with emerging modes affects traffic congestion and thus the economic efficiency …

Efficiency of Taxi Regulation

Full transfer prices of unrestricted Medallions in million dolloars, excluding transfers at arm’s length: blue, minifleet Medallions; red, independent Medallions. Dotted line indicates the 2012 fare raise.