A growing body of applied research on political violence employs split-population models to
address problems of zero inflation in conflict event counts and related binary dependent …

This paper tests how people's subjective well-being reacts when they compare themselves
with other people of the same gender, and if this reaction differs between women and men …

Public opinion surveys on American foreign policy often elicit many “don't know” or “no
opinion” responses. Researchers have paid surprisingly little attention to these responses …

Property rights are essential to economic development but vary with the political
environment. We develop and test the claim that government partisanship influences the …

Analysts of discrete data often face the challenge of managing the tendency of inflation on
certain values. When treated improperly, such phenomenon may lead to biased estimates …

We assess whether credit rating agencies limit poor countries' sovereign credit ratings.
Consistent with prior studies, our heterogeneous middle-inflated ordered probit model …

The prevailing theory states that either Japanese voters have stopped ideologically
distinguishing parties or that the main political parties in Japan have become more centrist …

We investigate geospatial and socio-demographic attributes that explain differences in
community-level policies affecting unconventional gas development (UGD) in New York. We …

The decisions to reduce, leave unchanged, or increase a choice variable (such as policy
interest rates) are often characterized by abundant status quo outcomes that can be …

We introduce three new commands—nop, ziop2, and ziop3—for the estimation of a three-
part nested ordered probit model, the two-part zero-inflated ordered probit models of Harris …