by Jacob Davies
(We just moved over the weekend and we're still buried in boxes, so I haven't had a chance to post here the last few days, but this is a quick* post on some issues related to taxation.)
* Quick, and therefore not short. Pithiness is hard. (Pissiness, on the other hand...)
In many discussions of the effects of increased progressive taxes it seems to be assumed that business owners or high-income salaried workers or wealthy investors face a choice between deploying their resources - work effort and funds - or not doing so, and that the change in the quantity of expected returns from resource deployment will change the amount of those resources deployed.
I see little evidence that this choice exists at all. Rather, there is only one game in town, and you can't even take your ball and go home.
For investment funds, in order to choose not to invest them at all, you would have to withdraw the money in cash and stuff it under your mattress. Short of that option, you are investing whether or not you want to - at the very least providing reserves to your bank to loan out. The only question is which investments you are making. However, taxation affects the returns from different investments of different risk levels to a proportionate degree, so the choice is not between a risky investment that might be reduced from 10% return to 8% return by taxes, or a safer one at 5%, but between putting it into a risky investment now at 8% return or a safer one reduced by taxes to 4%. The ranking of investment choices remains the same, and those who look for the highest return will still put money into risky ventures.
There is no real option to "hoard" in the world of modern banking; leaving the money in the bank just means that professionals, and not you, are the ones making the decisions about which investments will pay the highest returns, and bankers for obvious reasons make those decisions based on the real returns from the investment and not the post-income-tax returns that an investor will receive.
For individual work effort, the choice is supposedly between work and leisure. However, only in a very extreme situation does this really apply - for instance, where marginal rates are (say) 90% and the person is in a position to adjust work effort in small units in response - i.e. to stop working part-way through the year or to cut back on hours. The Beatles complained about confiscatory tax rates (per the song, rates of 95%) but they were not in a position to reduce work effort in a way that applied only to the marginal part. Short of not working at all, in which case they would have no income at all, they could not control how much money was returned in a fine-grained way. And of course, in general they would rather have 5% of a million pounds than nothing at all.
With marginal rates of, say, 50% and the type of working conditions that apply to most people, the case is far weaker. The theory runs like this: let's assume that someone is working a 60 hour week so they can bring home $300,000 a year, returns are exactly proportionate to work effort, and they have perfect flexibility about how much they work. So, they rate the value of that last hour of leisure a week that they could acquire at about $3,333 a year ($5,000 * .66 after income taxes); otherwise they would have already cut back on work effort. Now a new bracket is introduced that increases the marginal rate to 50%. The return from that marginal hour is now $2,500, and so the consequence might be that they push down working hours until the marginal value of that extra hour of leisure is equal to the $2,500 earned from it.
That's one story. Here's a second story: the worker works until they have earned (after taxes) say $200,000, and that happens to require them to work 60 hours a week. When tax rates go up, they will only earn $180,000 for 60 hours a week, and to compensate they will increase their working hours until they earn $200,000 again.
To me both stories are equally implausible. People actually work the hours they work based on social norms (the 40 hour week) and/or a rough estimate of income maximization (i.e. not a work/leisure tradeoff). High-income jobs do not resemble low-tech piecework labor; it is rare that even extending work hours beyond 40-60 hours a week can actually increase output at all. A lawyer in independent practice, for instance, working 60 hours may be able to bill more hours if he extends to working 80 hours a week, but the work quality will fall off. And if workers work for income maximization and not because of a hypothetical work/leisure tradeoff, taxes will have no effect at all on work effort - more work means more money, whatever the tax rate.
That's my take; have at it.
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