The Intensity and Shape of Inequality: The ABG Method of Distributional Analysis

Inequality is anisotropic: its intensity varies by income level. We here develop a new tool, the isograph, to focus on local inequality and illustrate these variations. This method yields three coefficients which summarize the shape of inequality: a main coefficient, α, which measures inequality at the median; and two correction coefficients, β and γ, which pick up any differential curvature at the top and bottom of the distribution. The analysis of a set of 232 microdata samples from 41 different countries in the LIS datacenter archive allows us to provide a systematic overview of the properties of the ABG (α β γ) coefficients, which are compared to a set of standard indices including Atkinson indices, generalized entropy, Wolfson polarization, and the GB2 distribution. This method also provides a smoothing tool that reveals the differences in the shape of distributions (the strobiloid) and how these have changed over time.     

Optimal mixed taxation,credit constraints,and the timing of income tax reporting

We study optimal income and commodity tax policy with credit‐constrained low‐income households. Workers receive an even flow of income during the tax year, but report their incomes and make tax payments (receive transfers) at the end of the year. They spend their disposable income on multiple commodities over the year. We show that differentiated subsidies on commodities can be optimal even if the Atkinson–Stiglitz Theorem conditions apply. When the optimal policy leaves low‐income households with binding credit constraints, it may be optimal to subsidize differentially the good that they consume in higher proportion. Uniform subsidies would also relax the credit constraint, but would be more costly to the government since they would equally benefit unconstrained households. Numerical examples suggest that commodity tax differentiation increases with basic needs and with the interest rate at which government borrows.     

Static electricity and plastic drums

The use of plastic drums in handling flammable materials require special considerations because of potential static electricity hazards. Various aspects of the problem are presented with suggested means of control.     

Exploring Critical Factors of Macau's Heritage Tourism: What Heritage Tourists are Looking for when Visiting the City's Iconic Heritage Sites

Although Macau is widely stigmatized as a gambling paradise, its colonial past has left the city with a wealth of heritage and cultural attractions that can be converted into priceless tourism resources. Macau's status as world heritage city further creates opportunities for the city to develop its heritage tourism business. This requires Macau to understand heritage tourists whose needs and wants may vary from ordinary travelers. A review of the literature, however, indicates that most academic discussions of Macau heritage are from a history or conservation perspective rather than from the prism of tourism; because of this, the present study aims to explore, from a tourism perspective, the critical factors that are essential to enhance tourist experience when visiting Macau's major heritage sites.     

Competition is (still) a tough weed: A review essay of Thomas Philippon’s The great reversal: How America gave up on free markets

The Review of Austrian Economics - In The Great Reversal, Philippon makes the case that competition in America has weakened during the past two decades. His book contributes to the rapidly...     

Scarce collateral and bank reserves

If collateral for bank loans is scarce and, if as a result, access to secured loans is restricted, the allocation of resources is inefficient. In anticipation of future borrowing constraints, individuals over-invest in collateralized types of capital, and consume and invest inefficiently low levels while they are borrowing constrained. The dual counterpart of this misallocation of resources is inefficiently low interest rates. In this situation, bank reserves play a positive welfare role by adding liquidity to the economy and by increasing not only bank lending rates, but also, paradoxically, bank deposit rates. As a result, in economies with scarce collateral the optimal reserves–requirement ratio is positive.