The Real Reason Behind the U.S. Trade Deficit

March 28 2018

Trump is on collision course with its trading partners: the U.S. trade deficit apparently proves that the U.S. is being fooled by its foreign trading partners that sell more to the U.S. than that they buy in return. Hence, Trump thinks that he can “win” a trade war by slapping on import tariffs until the trade deficit with any given individual country exactly equals zero. Any country that has a trade deficit with the U.S. is at risk of Trump’s insanity.

In the first round of Trump’s trade war, the U.S. introduced import tariffs on steel and aluminum. Last week, we entered the second round of Trump’s trade war, as Trump announced to impose import tariffs on approximately $60 billion in Chinese technology imports. Trump accuses the Chinese of intellectual property theft. China directly retaliated with tariffs on U.S. pork, wine and fruits. Yet Trump’s trade war borders on insanity, as he increasingly shows to be completely ignorant on foreign trade.

Brief Explanation of the Balance of Trade

There is nothing mysterious about the balance of trade. The balance of trade, also called the current account1, is the amount of exports minus the amount of imports. The result is either a trade deficit (more imports than exports) or a trade surplus (more exports than imports). The flipside of the trade balance is the financial/capital account. The financial account necessarily balances out against the trade deficit, since net imports must somehow be paid for. Of course, these very same principles apply to nations, states, cities and individuals: everyone has a “trade balance” and the same rules apply.

There are two obvious reasons why a current account would be negative and, consequently, a financial account positive:

  • Borrowing: imports can be paid for by borrowing, which means that any present trade deficit must eventually be evened out by a future trade surplus. This only occurs when foreigners lend money: for instance, the Chinese central bank (the People’s Bank of China) buys US Treasuries to add to their foreign exchange reserves, which ceteris paribus will cause a trade deficit.
  • Financial investments: not only borrowing will cause a trade deficit, equity investments will too. Hence, any financial hub in the world will have a trade deficit as long as foreigners are net investors in these respective stock markets. Hence, a trade deficit is caused by foreign investment.

With regard to our first point, we are simply consuming imports today at the expense of producing exports tomorrow. Since the U.S. is running a large budget deficit (and has been running a large budget deficit for a long time) and foreigners are happy to finance the deficit by buying US Treasuries, borrowing from abroad will affect the trade balance. Ironically, Trump’s recent tax reform only increases the federal budget deficit and thus increases borrowing, which leads to an even larger trade deficit.

With regard to our second point, things become more interesting. If we single out New York City and California, we get a completely different picture.

The U.S. trade deficit roughly equals $550 billion in 2017 ($566 billion to be exact), of which approximately $100 billion is explained by New York City’s foreign trade deficit and another $250 billion by California’s trade deficit.

Why would New York City equal almost 20% of the U.S. trade deficit?

Simple: NYC is an international, financial hub. Moreover, the New York Stock Exchange (NYSE) is located in, you guessed it, New York City. The NYSE is by far the largest stock market in the world, representing a total market cap of $21.3 trillion dollars. Roughly $170 billion dollars is traded daily (a third of the U.S. trade deficit changes hands every single day on the NYSE).

Observe, for instance, the chart below: curiously, we can clearly see when foreigners massively pull out their money. NYC’s trade deficit decreases when the stock market crashes and increases when we’re amid a stock market bubble.


1 The current account is actually the most important component of the balance of trade. Therefore, many use both as synonyms even though strictly taken they are not.

Source: U.S. Census

So, while we were trying to show how clueless Trump is about the trade deficit, it actually led us to an incredible indicator of market sentiment, much more robust than sentiment surveys such as the AAII investor sentiment survey. By looking at the trade deficits of financial hubs (more specifically, NYC, San Francisco, London, etcetera) we can get a grip on the market’s temperature.

Now, what about the state of California?

Does Silicon Valley ring a bell? California houses the largest tech industry hub in the world, attracting foreign investment even increasingly from China. Billions pour in every year, with little money flowing back abroad. They are meant to buy largely equity stakes in future production, future wealth, which are not accounted for in the trade balance.

Trump’s Trade War Is Insane

The fact of the matter is that trade balances are nothing special: the U.S. is a net importer good (it produces less goods than it consumes), but a net exporter of services (it produces more services than it consumes). The latter can be understood by, for example, looking at Hollywood, which produces blockbuster movies that are watched all over the world. The U.S. is a service economy. Adding up goods and services, the U.S. still is a net importer. Yet what balances everything out, is the fact that the U.S. does not only export services. It also “exports” financial assets. US Treasuries, demand deposits, equities, bonds, direct investments (FDI), and a myriad of other financial products are sold to foreigners

But Trump Lowered Taxes!

But, as Trump’s defenders argue, Trump lowered taxes! Especially the lowering of the corporate tax rate will be an enormous boon to the U.S. economy. Economic growth will increase.

What most do not take into account is, however, the fact that the corporate tax is levied upon a residual which is generally called accounting profit. Such residual profits are thus accumulated as cash. But let us think this through for a moment: what are ways to lower profits and thus the effective corporate tax rate?

Simply put, a business can lower its taxable income by investing more. You have read it right: whenever a business is confronted with a high corporate tax rate, it has an equally large incentive to lower the taxes it pays by buying more equipment, inventory or by contributing to retirement plans. Most of these are good for growth.

The ability to expense the full purchase price of equipment in the current year (instead of expensing it over its estimated life) is not something new to Trump’s tax reform: the IRS already allowed to deduct the full cost of certain capital investments upfront even before Trump´s reform (this “bonus depreciation” was introduced after the 2008-crisis). Trump merely extends this deduction.

Moreover, Trump substantially lowers the tax rate of the highest marginal income bracket. This means that it is becoming less costly to take money out of a business, which clearly runs counter to the idea of stimulating capital accumulation and (re)investment.

On the whole, Trump’s tax reform incentivizes capital consumption, not capital investment. As such, it will likely have a neutral effect on economic growth. Coupled with Trump’s trade war, Trump’s economic policies will most likely lead to ruin, rather than growth.

We are staring at an economic abyss: in a highly leveraged and perfectly priced US economy Trump is doing the unthinkable: beginning a trade war. The result will be rather violent. And gold, dear reader, can be one of the best insurances against Trump's trade plans.


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