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Here I will describe what Abramitzky and Boustan have to say about the economic impact of immigration, public attitudes toward immigration, and immigration policy in general.
Economic impact
We can easily imagine a situation in which an immigrant takes a job that otherwise would have gone to a US-born worker. We may be tempted to generalize that as the number of immigrants goes up, the employment prospects of US-born workers go down. The trouble with that generalization is that it treats the economy as a zero-sum game, where any gain is someone else’s loss. A capitalist economy is better understood as a growth game, where economic growth creates jobs, boosts output, and raises incomes in general. That has been our history, although the process has been interrupted by recessions and marred by racial and ethnic discrimination.
If there were a fixed number of jobs, then more immigrants would necessarily mean fewer jobs for the US born. But the number of jobs is not fixed, and by contributing to innovation and starting new businesses, immigrants often create new employment opportunities for others. Think: everything from big tech giants like Google and eBay to small local businesses like dry cleaners and restaurants. And immigrants need new housing and consumer products themselves, all of which helps put Americans to work.
Economists are generally receptive to moderate population growth, because they view it as a normal part of economic growth. A growing population will have more people looking for jobs, true; but it will also have more consumers demanding products, entrepreneurs to start businesses, and savers and investors to finance them. That means more jobs looking for people.
The country’s current rate of population growth is one percent per year, not particularly high by historical standards. Almost all of that is due to net migration, since our rate of natural increase is near zero. But suppose the situation were reversed, with near-zero net migration and one-percent natural increase. That would please nativists, who want more US-born babies and fewer immigrants. But would it make it easier for job-seekers to get good jobs? They would still be competing with new entrants to the labor force, just ones born here instead of somewhere else. Would competing with more English-speaking Americans fresh out of school be easier than competing with immigrants? If we are always competing with someone—except in the zero-growth society America has never been—why blame the competition on immigrants?
Now, as the authors acknowledge, “Some workers who do the same jobs as immigrants…stand to lose from immigration.” But they go on to say:
But immigrants tend to concentrate in tasks that don’t require English language skills (like landscaping or construction), while the US born are more likely to hold jobs that require interacting with customers or the public. What’s more, immigrants often fill positions that many US-born workers would not take at wages that consumers are willing to pay, such as picking crops or taking care of the elderly. In this way, immigrants create markets for certain products that otherwise might not exist.
Just as letting immigrants in does not hurt US workers as much as people think, keeping them out does not help US workers very much either. Employers usually find ways to avoid hiring very many more US workers or increasing wages very much to attract them. They outsource work to foreign countries or replace workers with machines.
Blaming our economic problems on immigrants may be distracting attention from the larger issue of how to create good jobs in a global, high-tech economy. This book does not develop that line of thought, but meeting that challenge would have to include training workers for the jobs of the future and clarifying what humans can do better than machines.
Public opinion
With all the hostile rhetoric being directed at immigrants these days, readers may be surprised to see the authors asserting that “attitudes toward immigration are more positive now than at any time in US history.” They also say that “two out of three Americans think that ‘immigrants strengthen the country because of their hard work and talents,’ as opposed to burdening ‘the country because they take jobs, housing and health care.'”
I checked to see if that claim is consistent with the latest Gallup polling. It is, with one qualification. Gallup reported some decline in support for immigration between 2021 and 2024. Not surprisingly, the decline was greatest among Republicans, as the Biden administration reversed many of Trump’s hardline policies, such as requiring asylum seekers to remain in Mexico while they applied and separating families at the border so that parents could be prosecuted for entering illegally. Even then, the percentage of respondents agreeing that immigration was mostly a good thing only declined to 64 percent.
Then, Gallup’s 2025 survey found that support for immigration rebounded to 79 percent, the highest on record. Under the headline, “Record High Say Immigration Benefits Nation,” Gallup reported:
The recent jump in perceptions of immigration being a good thing is largely owed to a sharp increase among Republicans and, to a lesser extent, independents. These groups’ views have essentially rebounded to 2020 levels after souring in the intervening years.
This helps explain why the politics of immigration are so volatile. Attitudes toward immigration are turning surprisingly positive just as the most anti-immigration administration since the 1920s is trying to implement its mass deportation policy.
Public policy
Streets of Gold includes a very useful timeline of US immigration policy from 1790 to 2020. Abramitsky and Boustan do not make any specific proposals for changing immigration law. They are more interested in letting their findings inform the general spirit of the laws.
Given the recent trend in public opinion, the authors say, “A positive and optimistic message about immigration is broadly popular and might even be a political winner if politicians embrace it proudly, rather than cringing from it out of fear of backlash.” They state their own main message this way: “[A]s a society, we need to design our immigration policy at the level of generations: the immigrants of today are the Americans of tomorrow.”
The record shows that immigrants and their children usually move toward becoming contributing members of society before long. If we have the imagination to envision their future, we can become more tolerant of the short-term costs, like paying taxes to educate their children or allowing them to participate in health insurance programs. Depriving them of education or health care is neither in their interest or ours.
The most extreme opponents of immigration do not want to imagine children of the undocumented as future Americans even if they were born here. (Until recently, everyone assumed that the Constitution had settled that question, but now President Trump’s executive order to the contrary is forcing the Supreme Court to rule on it.) Others we might readily imagine as citizens are “Dreamers” who were brought here as small children and adults who have lived and worked in the country for many years.
Those who boast of their love of America, and who accuse the administration’s critics of hating America, might ask themselves whether their love of country extends to the millions of immigrants and their descendants who have—to coin a phrase—made America great. And they can do it again if given the opportunity.
Posted by Ed Steffes 