The financial crisis was most disastrous for housing, but it was terrible for all kinds of investment. After accounting for the wearing out of equipment and buildings, most sectors of the U.S. capital stock are barely being replenished fast enough to make up for depreciationDepreciation is a measurement of the “useful life” of a business asset, such as machinery or a factory, to determine the multiyear period over which the cost of that asset can be deducted from taxable income. Instead of allowing businesses to deduct the cost of investments immediately (i.e., full expensing), depreciation requires deductions to be taken over time, reducing their value and discouraging investment. . The U.S. is doing little to expand its capital stock and is instead mostly just holding on to what it has.
The chart below shows net investment, which is all investment in physical capital minus the lost value of previously purchased physical capital due to wear and tear.
The low investment in corporate structures and equipment helps explain why wage growth has been so sluggish. TaxA tax is a mandatory payment or charge collected by local, state, and national governments from individuals or businesses to cover the costs of general government services, goods, and activities. reform, which lowers the cost of capital, could increase investment and grow the economy.
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