In the tradition of Afriat (1967), Diewert (1973) and Varian (1982), we provide a revealed preference characterisation of the representative consumer. Our results are simple and complement those of Gorman (1953, 1961), Samuelson (1956) and others. They can also be applied to data very readily...

This paper presents empirical evidence that allows us to understand how does the welfare level of beneficiary households of the conditional cash transfer program Oportunidades evolve, both in the short and in the medium term. Understanding this evolution is relevant in order to design efficient...

Some fear that personalised communication can lead to information cocoons or filter bubbles. For instance, a personalised news website could give more prominence to conservative or liberal media items, based on the (assumed) political interests of the user. As a result, users may encounter only...

The world economy is undergoing dramatic changes, largely driven by the new availability of fine-grained information. Innovative ways of using data—large and small—have also prompted a rethinking of the boundaries for the combination and use of knowledge. The strategic design of information...

This Article presents an original empirical analysis demonstrating that low-income families experience far greater income fluctuations than higher-income families and, as a result, taxation of annual income disproportionately burdens low-income families. The author proposes two simple income...

Our society can benefit immensely from algorithmic decision-making and similar types of artificial intelligence. But algorithmic decision-making can also have discriminatory effects. This paper examines that problem, using online price differentiation as an example of algorithmic...

This chartbook examines the spending patterns of the aged population (65 or older) using data from the 2002 Consumer Expenditure Survey Public-Use File. The charts compare expenditures of the aged population with those of the near aged (55-64). Many charts also compare those aged 65-75 and 75 or...

Using the Vietnam Access to Resources Household Survey (VARHS) with a panel of households present from 2008 to 2016, the study investigates the impact of social capital on household vulnerability. The empirical results indicate that both commune shocks and household shocks are associated with...

With this study, we aim to analyze how economic changes affect consumer buying habits. Essentially this study focuses on consumer behavior. For instance, how do households determine their choices in times of crisis? In which situations they are willing to save? Could they change their primary...

Dutch abstract: Organisaties kunnen computers gebruiken om beslissingen over mensen te nemen: digitale differentiatie. Zo kunnen verzekeraars prijzen aanpassen aan individuele consumenten, en kan de overheid computers gebruiken voor fraudebestrijding. Zulke digitale differentiatie is vaak nuttig...