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Working Papers
Raising the Bar: A Poverty Line for Global Inclusion
The first of the Sustainable Development Goals adopted by the United Nations in 2015 is “End poverty in all its forms everywhere,” which implies moving beyond “extreme poverty” to an […]
The first of the Sustainable Development Goals adopted by the United Nations in 2015 is “End poverty in all its forms everywhere,” which implies moving beyond “extreme poverty” to an array of poverty lines. This raises the obvious question: to complement the dollar-a-day (now P$2.15) global lower-bound poverty line, what is the global upper-bound poverty line (GUBPL)? We propose, empirically estimate, and defend a GUBPL based on two criteria. First, the global poverty line is an absolute level of material wellbeing and treats the world’s people and households equally, not relative to birthplace, residence or citizenship. Second, the distinctive property that separates the standard poverty measures (Foster, Greer, Thorbecke 1984) is that gains in household income/consumption above the poverty line count for exactly zero in reducing poverty. Our second criteria is that a GUBPL should be set at a high enough level of income/consumption that zero gains, while not literally true, is a “close enough” approximation. Our two empirical approaches, based on completely different material wellbeing indicators, both suggest a GUBPL in the range of P$19 to P$40 per person per day. This range for a GUBPL is consistent with a variety of considerations, like national poverty lines and achievement of basics and is consistent with the new World Bank “prosperity gap” standard. A GUBPL of P$21.5 has a nice “focal point” appeal as it is exactly ten times the current global lower bound of P$2.15. A poverty line of P$21.5 makes “development as poverty reduction” an inclusive and ambitious global vision, compatible with existing and future development goals.
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Working Papers
A New Algorithm to Efficiently Match U.S. Census Records and Balance Representativity with Match Quality
We introduce a record linkage algorithm that allows one to (1) efficiently match hundreds of millions of records based not just on demographic characteristics but also name similarity, (2) make […]
We introduce a record linkage algorithm that allows one to (1) efficiently match hundreds of millions of records based not just on demographic characteristics but also name similarity, (2) make statistical choices regarding the trade-off between match quality and representativity and (3) automatically generate a ground truth of true and false matches, suitable for training purposes, based on networked family relationships. Given the recent availability of hundreds of millions of digitized census records, this algorithm significantly reduces computational costs to researchers while allowing them to tailor their matching design towards their research question at hand (e.g. prioritizing external validity over match quality). Applied to U.S Census Records from 1850 to 1940, the algorithm produces two sets of matches, one designed for representativity and one designed to maximize the number of matched individuals. At the same level of accuracy as commonly used methods, the algorithm tends to have a higher level of representativity and a larger pool of matches. The algorithm also allows one to match harder-to-match groups with less bias (e.g. women whose names tend to change over time due to marriage).
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Working Papers
How Wyoming’s Exodus of Young Adults Holds Back Economic Diversification
A missing ingredient to Wyoming’s diversification efforts is keeping young people and families in the state. By the time people born in Wyoming reach their thirties, nearly two thirds have left – one of the highest rates in the country. Without access to this workforce, it is exceedingly difficult for the Wyoming economy to diversify.
Wyoming is a rural Mountain West state with a high Gross State Product (GSP) per capita, foremostly driven by its fossil fuel sector. The state’s longstanding strengths in resource extraction provide much of its livelihood, including both its private earnings and public finances. Its other industries are comparatively much smaller, but Wyoming would benefit from their expansion in order to smooth out resource-related shocks going forward. Importantly, Wyoming should think on a big scale when considering such opportunities. Middling, business-as-usual growth in its non-resource sectors will not fundamentally do much to insulate Wyoming’s economy against resource busts. One category of diversification opportunities to consider are those in industries tied to the natural endowments of the land. Wyoming generally does well in these sectors, but prospects of further expansion are either highly uncertain or limited in scale. Some of the most promising opportunities are in new energy and critical minerals, but these carry significant technological uncertainty and/or modest income potential. Transformative growth in agriculture is likely to be difficult because Wyoming faces hard constraints on its water consumption, and its tourism income per capita is already among the very highest of any US states. Adding value to raw materials is a commonly-discussed strategy that, in practice, does not work well in the modern economy because raw materials are often easily traded over long distances. While it is therefore vital for Wyoming to pursue economic activities related to its natural endowments, it must also look to its advanced services and manufacturing sectors. Wyoming is a severe laggard in these industries versus other states, and serious action is needed to generate the large pools of skilled labor that they need to succeed. There is widespread recognition that Wyoming is behind on this matter, and the state has made critical investments in education to bridge this gap. The missing ingredient, however, is keeping young people and families in the state. By the time people born in Wyoming reach their thirties, nearly two thirds have left – one of the highest rates in the country. Without access to this workforce, it is exceedingly difficult for the Wyoming economy to diversify. Empirically, young Wyomingites and families overwhelmingly leave the state in favor of larger cities. University of Wyoming graduates especially are attracted to large cities a few hours’ drive away from Laramie, Wyoming (where the University of Wyoming is located). These destinations include Fort Collins and Denver. Even if it wanted to, Wyoming could not wave a magic wand to create a large urban metropolis overnight, and it is therefore necessary to understand what specifically attracts young adults and families to these big cities instead of Wyoming towns so that the latter can compete better. The evidence shows that housing is a surprisingly important factor related to migration decisions on which Wyoming underperforms. Young adults fresh out of university often prefer to live in centrally-located apartments, so that they are close to jobs, restaurants, and friends. Wyoming towns, however, lack dense multi-family housing in their downtown cores as compared to other US towns with very similar overall population. This lack of dense downtown housing suitable for young people contributes to an overall housing supply deficiency, thereby driving up housing prices across the board. It also entails depressed foot traffic in downtowns, leading to fewer customers for local businesses and ultimately fewer urban amenities like restaurants versus Colorado communities – a key result given that surveyed University of Wyoming students report that restaurants are their top desired urban amenity. The main reason there is not denser housing in Wyoming downtowns is because strict regulations have illegalized them. A plethora of restrictions exist around issues like minimum lot sizes, maximum building heights, minimum parking space requirements, maximum dwellings per unit of area, and more. Studies show that Wyoming is more overregulated than other communities when it comes to restrictions on housing density. Other places successfully leave these decisions to the free market rather than government, and Wyoming could remove these restrictions to increase its supply of housing for young people at no cost. There is additionally a lack of funding for arterial infrastructure in Wyoming, such as water and sewage lines, which drives up development costs. A general lack of funding for community assets arguably also affects young peoples’ and families’ migration decisions. There is evidence that community demand for investment outstrips supply in water and transport infrastructure, and that many counties use allotted sales tax expansions (“Penny Taxes”) very frequently. One way Wyoming could direct more funding to its local communities is via an expanded grants management system; Wyoming gets less federal grant funding per person than other rural US states, and based on interviews this is tied to a lack of dedicated staff who can navigate the significant overhead associated with following and applying for grants. Overall, while Wyoming is currently a laggard on advanced service and manufacturing industries there are concrete steps it could take to compete better by retaining more of its young people. Wyoming’s Pathways to Prosperity economic development project has already enacted a number of changes to support that outcome, but more can be done. With denser downtowns and more funding for community assets, Wyoming would bolster both its economic and cultural vitality by keeping its young people and leveraging them to obtain growth in new industries. Related project: Pathways to Prosperity in Wyoming -
Journal Articles
Leaving Home: Cumulative Climate Shocks and Migration in Sub-Saharan Africa
Environmental and Resource Economics, 87, 321-345.
We combine a multi-country household panel dataset with high-resolution gridded precipitation data to investigate how cumulative climatic shocks affects the decision to leave the households in five sub-Saharan African countries. […]
We combine a multi-country household panel dataset with high-resolution gridded precipitation data to investigate how cumulative climatic shocks affects the decision to leave the households in five sub-Saharan African countries. We find that while the effect of recent adverse weather shocks is on average modest, the cumulative effect of a persistent exposure to droughts over several years leads to a significant increase in the probability for a household member to leave the household. We speculate that this pattern can be indicative of increased migratory flows due to increase in the frequency of extremes. -
Journal Articles
A journey through time: the story behind ‘eight decades of changes in occupational tasks, computerization and the gender pay gap’
Industry and Innovation, 31
In this interview article, we embark on a fascinating journey through time alongside the winners of the 2023 DRUID Best Paper Award. DRUID, an annual research conference renowned as the […]
In this interview article, we embark on a fascinating journey through time alongside the winners of the 2023 DRUID Best Paper Award. DRUID, an annual research conference renowned as the hub of cutting-edge research on innovation and the dynamics of structural, institutional, and geographic change, bestows this award on the most innovative and exceptional conference submission. As longstanding allies of DRUID, Industry and Innovation offers an exclusive peek behind the curtains, unveiling the untold stories that underlie award-winning research.
In 2023, this coveted DRUID prize was awarded to a paper by Ljubica Nedelkoska, Shreyas Gadgin Matha, James McNerney, Andre Assumpcao, Dario Diodato, and Frank Neffke. Their work stands out through an impressive data collection effort and the exploration of a compelling and urgent research question – how technological change has impacted the gender pay gap. Throughout this interview, the author team takes us down memory lane, retelling the story behind their research project. On this journey through time, we trace the genesis of the authors’ innovative ideas and the intricate pathways they navigated in their quest to understand the past as a means of unravelling the future of work and its implications for gender inequality in the labour market. This journey not only takes us back in time but also points to potential avenues for future research and open questions that lie ahead.