Alexandru Nichifor

Serial dictatorship mechanisms with reservation prices: heterogeneous objects

Bettina Klaus, Alexandru Nichifor

Journal article  |  2021  |  SOCIAL CHOICE AND WELFARE

We adapt a set of mechanisms introduced by Klaus and Nichifor (Econ Theory 70:665-684, 2020), serial dictatorship mechanisms with ..

Chain stability in trading networks

John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky, Alexander Westkamp

Journal article  |  2021  |  THEORETICAL ECONOMICS

In a general model of trading networks with bilateral contracts, we propose a suitably adapted chain stability concept that plays ..

Comparative statics for size-dependent discounts in matching markets

D Delacrétaz, SD Kominers, A Nichifor

Journal article  |  2020  |  Journal of Mathematical Economics

We prove a natural comparative static for many-to-many matching markets in which agents’ choice functions exhibit size-dependent d..

Serial dictatorship mechanisms with reservation prices

Bettina Klaus, Alexandru Nichifor

Journal article  |  2020  |  Economic Theory

We propose a new set of mechanisms, which we call serial dictatorship mechanisms with individual reservation prices for the alloca..

Full substitutability

John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky, Alexander Westkamp

Journal article  |  2019  |  Theoretical Economics

Various forms of substitutability are essential for establishing the existence of equilibria and other useful properties in divers..

Stability and Competitive Equilibrium in Trading Networks

John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky, Alexander Westkamp

Journal article  |  2013  |  JOURNAL OF POLITICAL ECONOMY

We introduce a model in which agents in a network can trade via bilateral contracts. We find that when continuous transfers are al..

The intellectual influence of economic journals: quality versus quantity

Laszlo A Koczy, Alexandru Nichifor

Journal article  |  2013  |  ECONOMIC THEORY

The evaluation of scientific output has a key role in the allocation of research funds and academic positions. Decisions are often..

Consistency in one-sided assignment problems

B Klaus, A Nichifor

Journal article  |  2010  |  Social Choice and Welfare

One-sided assignment problems combine important features of two well-known matching models. First, as in roommate problems, any tw..