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posted on 09 August 2016

Migration In Puerto Rico: Is There A Brain Drain? Part 2 Of 5

from Liberty Street Economics

-- this post authored by Jaison R. Abel, Giacomo De Giorgi, Richard Deitz, and Harry Wheeler

Given Puerto Rico's long-term economic malaise and ongoing fiscal crisis, it is no wonder that out-migration of the Island's residents has picked up. Over the past five years alone, migration has resulted in a net outflow of almost 300,000 people, a staggering loss. It would make matters worse, however, if Puerto Rico were losing an outsized share of its highest-paid workers. But we find that, if anything, Puerto Rico's migrants are actually tilted somewhat toward the lower end of the skills and earnings spectrum.

Still, such a large outflow of potentially productive workers and taxpayers is an alarming trend that is likely to have profound consequences for the Island for years to come.

Population Loss and Out-Migration

Puerto Rico's population has been declining since 2004, falling nearly 10 percent from its peak, as shown in the chart below. Today, total population is below 3.5 million, lower than it was twenty-five years ago. While a decline in the Island's birthrate is partially responsible, the main driver of this population loss is the out-migration of people from Puerto Rico to the U.S. mainland (see this Current Issues article for more details on these population trends).

LSE_2016_Migration and Brain Drain in Puerto Rico

Because residents of Puerto Rico are U.S. citizens, they can move freely to the U.S. mainland, and many have made this move as the Island's economy has deteriorated. With the unemployment rate in Puerto Rico running between 10 and 15 percent in recent years, and labor force participation at only around 40 percent, many residents are leaving the Island to seek better economic opportunities.

As the chart below shows, net migration - that is, in-migrants to the Island (from anywhere in the world) minus out-migrants moving from Puerto Rico to the U.S. mainland - has been negative every year since 1998. Moreover, net migration resulted in a loss of more than 65,000 people in both 2014 and 2015, a sharp increase compared with just a few years prior. All in all, Puerto Rico has seen a net loss of roughly 600,000 people as a result of migration over the past fifteen years, representing more than 15 percent of its peak population.

LSE_2016_Migration and Brain Drain in Puerto Rico

Is Puerto Rico Losing Its Highest-Paid Workers?

While these data show the number of citizens leaving the Island, they do not reveal who is leaving. The situation would be worse if Puerto Rico were losing an outsized number of highly skilled workers with high earnings potential. To determine whether such a "brain drain" is occurring, it would be tempting to simply compare the wages of those who have migrated from Puerto Rico to the U.S. mainland with the wages of those who remain on the Island. However, because the economies of Puerto Rico and the U.S. mainland are so different, such comparisons are problematic. Indeed, not only do workers with similar skills tend to earn higher wages on the U.S. mainland than in Puerto Rico, but people unable to find jobs in Puerto Rico are likely to have a much better chance finding work on the U.S. mainland.

To make an appropriate comparison that addresses these complex selection issues, we extend a methodology set forth byChiquiar and Hanson to examine the distribution of wages for out-migrants to the U.S. mainland relative to those who stay on the Island. This estimation technique puts workers' wages on an equal footing by accounting for differences in the price of skill between the U.S. mainland and Puerto Rico. Our extension of this technique also allows us to adjust for differences in the probability of being employed between the mainland and Puerto Rico, given that labor force participation is lower and unemployment is higher on the Island. In essence, this estimation approach is akin to bringing all Puerto Rico migrants currently living on the U.S. mainland back to Puerto Rico and estimating the wages they would have commanded had they never left the Island. We account for a number of factors such as a person's age, education, and experience, and the likelihood that they would be working. We limit our analysis to individuals aged 25-65 since younger workers may still be in the process of completing their educations, and therefore their current wages may not reflect their earnings potential.

The chart below shows the results of our estimation of these wage distributions, based on data from the 2014 American Community Survey and 2014 Puerto Rico Community Survey. The blue line represents the wage distribution for residents living in Puerto Rico, while the red line represents what this wage distribution would look like if all Puerto Rico migrants currently living on the U.S. mainland were working in Puerto Rico - what we refer to as the counterfactual wage distribution.

LSE_2016_Migration in Puerto Rico: Is There a Brain Drain?

While the two wage distributions are similar, the counterfactual Puerto Rico wage distribution turns out to be slightly above the actual Puerto Rico wage distribution at lower wage levels (below roughly $25,000) and slightly below the actual distribution at higher wage levels (above roughly $30,000). This pattern of results indicates that, if anything, there has been a small degree of negative selection among Puerto Rico migrants - that is, consistent with our previous analysis, those migrating from Puerto Rico to the U.S. mainland are slightly more likely to come from the lower end of the earnings and skills distribution.

Indeed, we can also see this negative selection by examining the educational attainment of migrants relative to those who didn't move. In 2014, about 36 percent of those who migrated to the United States had a high school diploma as their highest educational attainment, compared with 31 percent of the Island's population. Similarly, 25 percent of these migrants had a college degree or higher, compared with 28 percent of those remaining in Puerto Rico.

All in all, while the pace of out-migration from Puerto Rico is clearly a concern, it does not appear to be compounded by an outsized migration of those workers with the highest human capital, though a recent reportpoints to a large out-migration of doctors in recent years. Importantly, however, this does not mean that "brain drain" is not a concern for the Commonwealth. Indeed, given the large number of people moving from Puerto Rico to the U.S. mainland in recent years, the Island has clearly lost a significant amount of its human capital.

A Major Challenge Lies Ahead

The magnitude of Puerto Rico's out-migration creates a major challenge for the Island. Indeed, there is no resource more important to the long-term health of an economy than its human capital. If people continue to leave the Island at the pace that has been set in recent years, the economic potential of Puerto Rico will only continue to deteriorate. Puerto Rico urgently needs to provide more and better job prospects to its citizens to reduce incentives to leave. In addition, enhancing the Island's appeal as a place to live and do business can serve to attract and retain people. Without more progress along these fronts, Puerto Rico's out-migration and long-term economic malaise are likely to continue.


The views expressed in this post are those of the authors and do not necessarily reflect the position of the Federal Reserve Bank of New York or the Federal Reserve System. Any errors or omissions are the responsibility of the authors.


About the Authors

Abel_jaisonJaison R. Abel is a research officer in the Federal Reserve Bank of New York's Research and Statistics Group.

De_georgi_giacomoGiacomo De Giorgi is a senior economist in the Group.

Deitz_richardRichard Deitz is an assistant vice president in the Group.

Wheeler_harryHarry Wheeler is a senior research analyst in the Group.

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