As demand for mobile broadband services continues to explode, mobile wireless networks must expand greatly their capacities. This paper describes and quantifies the economic and technical challenges associated with deepening wireless networks to meet this growing demand. Methods of capacity...

Concerns about a digital divide in US politics that separates those who have and do not have access to technology have persisted for decades. Those concerns are prominent for immigrants and ethno-racial minorities who have tended to participate in politics, in general, and digital politics, in...

I show that the growing trend in financial services digitalization has introduced a new dimension along which commercial banks compete. Small community banks (SCBs) are slow to implement mobile technologies and lose deposits to larger, better-digitized banks following mobile infrastructure...