Declaration of Authorship
Abstract
Acknowledgements
Introduction and Framework Introduction
Concept of “People as Sensors”
Methodology
Empirical Studies of Socio-Economic Activities After the Great East Japan Earthquake and Tsunami
The Excess Demand for Used Cars The Excess Demand for Housing
People As Sensors for Socio-Economic Recovery Activities
Facebook Page Topics and the Excess Demand for Used Cars
Data
Topics on Twitter and the Excess Demand for Used Cars
Public Sentiment and the Excess Demand for Used Cars
Social Media Communication and the Excess Demand for Houses
A Case Study of Hurricane Sandy
The Excess Demand for Housing after Sandy
Conclusion .