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If the United States imposes a border tax on Mexican imports, it's not just tequila, beer and avocados that would jump in price.
Mexico is the world's leading exporter of refrigerators and flat-screen TVs. Cars and trucks such as the Ram 1500 crew cab, Ford Fiesta and Chevrolet Trax fill U.S. dealer lots. Mexican berries, vegetables and beef born south of the border abound at American supermarkets.
It is an amazing state of affair for a country that, as late as the 1980s, basically exported just oil - a country transformed by embracing the open markets promoted by its U.S. neighbor.
"In just three decades, we changed from an economy that was basically exporting raw materials.... Eighty percent of our exports were oil," President Enrique Peña Nieto said at a ceremony promoting made-in-Mexico goods this week. "Back then, we were rather uncompetitive, and we would have a hard time competing (abroad) with the products produced here."
Pena Nieto had reason to crow: Even while Mexico's oil production has fallen steadily, U.S. imports from Mexico increased 638 percent since 1993, just before the North American Free Trade Agreement took effect, according to the U.S. Trade Representative's office.
The top-selling U.S. imports from Mexico in 2015 include US$74 billion worth of cars, trucks and other vehicles, electrical machinery (US$63 billion), machinery (US$49 billion) and optical and medical instruments (US$12 billion).
While the price-tag benefit to U.S. consumers is clear, critics complain the effect on U.S. workers has been dismal. A unionized auto worker in the U.S. can make US$58 an hour in wages and benefits. By comparison, a Mexican auto assembly worker makes a little more than US$8.
One of the most visible success stories has been in agricultural exports to the U.S., which totaled US$21 billion in 2015, making Mexico America's second largest supplier of agricultural imports. Mexico supplies about 77 percent of all avocados consumed in the United States, and about one-third of its tomatoes.
Mexico's climate and very low agricultural wage rates give the country a huge advantage for many crops and former President Vicente Fox, whose family has long been involved in agriculture, has floated the idea of exporting another sort of crop to the U.S.: marijuana.
"Once it is legitimate and legal, of course. I'm a farmer, and I can do it once it is legal and approved as an industry," Fox said.
The achievements leave many Mexicans cold. In many of the most successful categories - autos, appliances, TVs and mining - the dominant firms are foreign, and many of the components they assemble in Mexico are imported, in turn, from their home countries.
Mexico still does little of the research and design work.
"I have always been a critic of the fact there are no Perez cars in Mexico, no Ramirez in Mexico; they are all foreign firms," said radio commentator Eduardo Ruiz Healy. "Oh well, that's just the way it goes."
But U.S. farmers have also benefited from the trade openings under NAFTA - the deal U.S. President Donald Trump has pledged to re-negotiate.
"Market access under NAFTA has been a windfall for U.S. farmers, ranchers and food processors. U.S. food and agriculture exports to both countries (Mexico and Canada) have more than quadrupled, growing from US$8.9 billion in 1993 to US$38.6 billion in 2015," some of the top U.S. agriculture companies wrote in an open letter to Trump in January.
For Mexico, any border tax or change in NAFTA would have an immediate effect on jobs, even in traditional economic sectors.
Silver, for example, is a historic Mexican export, one of the first Mexican products that the Spanish conquistadores sent back to Spain.
Mexico remains the world's top producer of silver, though many of the mines are foreign owned and many worry about their effect on Mexico's water supplies and land.
But mining - like farm work and assembly plants - provides decent wages for people with little education, often in states of Mexico where workers had previously been forced to emigrate.
Any additional taxes - border or otherwise - could hit employment in states that may also have to cope with returning migrants if U.S. President Donald Trump lives up to another pledge, to increase deportations.
When the state of Zacatecas passed a tax on mining companies earlier this year, mine workers blocked roads in protest.
"This directly affects production and employment, at a critical moment for Mexico and for Zacatecas, which is one of the states that would most be affected by the threat of massive deportations," said mine union leader Carlos Pavon Campos.
