We develop a unified cost-benefit framework that allows for a better understanding of nature conservation and climate policies under risk and uncertainty. We derive modified Hotelling rules from a social planner’s welfare optimization. They reveal four forces that jointly determine market...

Behavioral economics has so far largely avoided discussing the psychological origins of preferences, as well as their relation to needs. This has not only restricted interdisciplinary exchange, but also significantly limits the predictive capabilities of models. For example, the revealed...

The Deferred Acceptance (DA) algorithm is stable and strategy-proof, but can produce matchings that are Pareto-inefficient for students, and thus several alternatives have been proposed to correct this inefficiency that only involve consented priority violations. However, we show that these...

We develop a unified cost-benefit framework that allows for a better understanding of nature conservation and climate policies under risk and uncertainty. We derive modified Hotelling rules from a social planner’s welfare optimization. They reveal four forces that jointly determine market...

Revealed preference theory (RPT) and its behavioral extension (BRPT) underpin an important strand of welfare economics. Their normative appeal rests on the claim that welfare can be inferred from observed behavior without substantive assumptions about what agents should value - a property I call...

We consider welfare impacts of prohibitive tariffs on trading partners. Initially, there is prohibitive tariff by one country and a zero tariff by its trading partner. Thereafter, the trading partner also resorts to prohibitive tariff. We demonstrate how prohibitive tariffs by the trading...

In today's world, trade serves economic security - and economic security is subordinate to national security. This article discusses how well the EU was able to navigate the turbulence of 2025 and what comes next as it deploys its own economic security toolkit in 2026.

The social cost of carbon (SCC) isthe central concept of benefit-cost analysis in climate economics. The SCC provides guidance on the urgency of climate policy as it expresses the present value of expected future damages associated with the emission of one additional ton of CO2. This paper...

The social cost of carbon (SCC) is the central concept of benefit-cost analysis in climate economics. The SCC provides guidance on the urgency of climate policy as it expresses the present value of expected future damages associated with the emission of one additional ton of CO₂. This paper...

This paper analyzes a monopolistic market with a continuum of consumers in the linear case. Consumers are vertically differentiated by a one-dimensional preference for quality, and the monopolist is allowed to offer a menu of quality-price pairs. The analysis shows that, in the linear case, the...

The crises of both the climate and the biosphere are manifestations of the imbalance between human extractive, and polluting activities and the Earth's regenerative capacity. Planetary boundaries define limits for biophysical systems and processes that regulate the stability and life support...

We propose a method for cost-benefit analysis of public policies that identifies potential Pareto improvements when losers from a reform are compensated through income tax changes. Reforms are desirable when they decrease aggregate excess burden in commodity and labor markets. This condition is...

This paper proposes a conceptual model of decision-making tying specific preferences to broader individual goals. In particular, the model considers two hierarchically ordered types of goals: Terminal goals, which represent fundamental objectives (e.g., health, social connection, etc.), and...

In welfare economics, the theory of second best is inextricably linked to an article by Richard George Lipsey and Kelvin John Lancaster, published in 1956 in the Review of Economic Studies. The publication of this article was encouraged by Harry Gordon Johnson, who was a member of the journal's...

This study explores the way in which social information about giving impacts the stability of distributional preferences. We designed a two-stage treatment which varied the information participants received about the maximum amounts given to recipients. Information on maximum giving can...

This report estimates the "social rate of time preference" (SRTP) for New Zealand public policy appraisal using a Ramsey equation. It uses the Weitzman (1998) method to derive a declining discount rate schedule of 2% (real) for years 1-30, 1.5% for years 31-100, and 1% for years 101 on. The...

We establish the Subgradient Theorem for monotone correspondences -- a monotone correspondence is equal to the subdifferential of a potential if and only if it is conservative, i.e. its integral along a closed path vanishes irrespective of the selection from the correspondence along the path. We...

This paper characterizes a novel class of welfare criteria for settings with endogenous population. The core innovation is to treat parents’ fertility preferences as ethically relevant, deferring to them on the quality--quantity trade-off under conditions of equality. The resulting family of...

Welfare economics relies on access to agents' utility functions: we revisit classical questions in welfare economics, assuming access to data on agents' past choices instead of their utilities. Our main result considers the existence of utilities that render a given allocation Pareto optimal. We...

Despite crowdfunding platforms' growing involvement in financing welfare, related ethical issues have received little scholarly attention. To address this gap, we focus on GoFundMe, the leading welfare crowdfunding platform in the US, to examine whether it facilitates the establishment of a just...