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Digitalization During the COVID-19 Crisis
Digitalization induced by the pandemic was seen both as a possible silver-lining from the crisis that could increase longer-term productivity and a risk for further labor market inequality between digital and non-digital workers. The note shows that the pandemic accelerated digitalization and triggered a partial catch-up by less digitalized entities in advanced economies. Higher digitalization levels shielded substantially productivity and hours worked during the crisis. However, the extent to which the pandemic-induced digitalization led to structural change in the economy is less clear. Less digitalized sectors have rebounded more strongly, albeit after stronger declines, and while workers in digital occupations were more shielded from the crisis, there does not appear to be a structural change in the composition of labor demand. Meanwhile, shifts in labor supply are more likely to be permanent, driven by the increase in working from home.
Did the COVID-19 Recession Increase the Demand for Digital Occupations in the United States? Evidence from Employment and Vacancies Data
This paper investigates whether the COVID-19 recession led to an increase in demand for digital occupations in the United States. Using O*NET to capture the digital content of occupations, we find that regions that were hit harder by the COVID-19 recession experienced a larger increase in the share of digital occupations in both employment and newly-posted vacancies. This result is driven, however, by the smaller decline in demand for digital workers relative to non-digital ones, and not by an absolute increase in the demand for digital workers. While our evidence supports the view that digital workers, particularly those in urban areas and cognitive occupations, were more insulated during this recession, there is little indication of a persistent shift in the demand for digital occupations.
Portugal
Portugal: Selected Issues
Will Working from Home Stick in Developing Economies?
In developing economies, a shift to working from home during the COVID-19 pandemic varies substantially. An increase in teleworking days per week ranges from 0.7 to 17.6 percentage points across 10 developing countries covered by an online survey to about 500 respondents per country. An estimated income discount associated with telework disappeared temporarily at the onset of the pandemic. A calibrated model indicates that workers’ preferences to telework may largely depend on their educational attainments. Whether telework will sustain in these countries could depend on obstacles to telework, particularly for workers with less education, and a degree of economy-wide externality.
Essays in Applied Microeconomics
This is a collection of essays in applied microeconomics. The first chapter explores late life savings behavior, the second examines the effects of housing voucher policies, and the third provides evidence that nurture effects of both cognitive and non-cognitive skills are large. Chapter 1 is joint with Siha Lee. Bequests may be a key driver of late life savings behavior and, more broadly, a determinant of intergenerational inequality. However, distinguishing bequest motives from precautionary savings is challenging. Using the Health and Retirement Study, we exploit an unanticipated change in Social Security benefits, commonly called the Social Security Notch, as an instrument to identify th...
Additive Manufacturing
This book focuses on the advances of additive manufacturing in the applications of wearable electronics, energy storage, biomedical implants and devices, drug delivery, and technologies for 4D printing, large-scale printing, and ceramics printing. It provides timely insights into the materials, functionalities, and applications of additive manufacturing.
Laboratory Tests for Unsaturated Soils
The testing of unsaturated soils requires greater care and effort than that of saturated soils. Although unsaturated soil mechanics has been embraced by geotechnical engineering, engineering practice has not yet caught up as the characterization of unsaturated soils is difficult and time-consuming, and made harder still by a lack of standards. Laboratory Tests for Unsaturated Soils collates test procedures to cover all laboratory tests for characterising unsaturated soils. It covers the background, theory, test procedures, and interpretation of test results. Each test procedure is broken down into simple stages and described in detail. The pitfalls of each test and the interpretation of the test results are explained. Test data and calculation methods are given, along with many numerical examples to illustrate the methods of interpretation and to offer the presentation of typical results. The book is especially useful for students and researchers who are new to the field and provides a practical handbook for engineering applications.
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