October 29, 2023
by Stephen Stofka
Last week’s letter explored income and wealth distribution within a framework that involves choice as well as chance. The emphasis on choice was first presented in a 1953 paper by the Nobel economist Milton Friedman. This week’s letter develops the implications of Friedman’s speculation.
Friedman suggested that a wage implicitly contained an insurance premium charged by employers for reducing an employee’s income risk. Debt instruments involve an ongoing relationship between debtor and creditor and carry a risk premium that is a component of the interest rate on the debt. The employer-employee relationship is an ongoing financial relationship as well. An employee’s desire for a consistent income leads them to accept a lower income, a tradeoff of some income for some certainty about future income. This implies that a worker’s wage is not just the marginal product of their labor, a bedrock assumption of neoclassical economics. A worker who has a tolerance for more risk will demand higher pay from an employer, reducing the insurance premium embedded in a wage.
During economic crises when there is higher unemployment, employers should be able to charge a higher risk premium, i.e. a lower wage, to workers who would have a greater desire for certainty. But wages are slow to decline during these times. In Chapter 17 of the General Theory, Keynes claimed that wages were “sticky.” Economists attributed it to union wage contracts that do not respond to changing circumstances. Today union membership in the U.S. is less than 10% of the workforce, reducing that as a causal factor in this country. So why don’t workers accept much lower wages to obtain work?
Employers and employees bargain over the price of certainty, each of them aware that certainty at any price is in short supply. In times of stress, employees may be concerned that a smaller employer, the implicit insurer of a worker’s wage, cannot provide the degree of income safety that the lower wage would purchase. Because the employer-employee relationship is a persistent one, employees are concerned that working for a much lower wage might set a precedent that is not easily undone. When economic conditions improve, how likely is an employer to restore wages to their former levels? This was a point of contention in ongoing wage negotiations between the UAW – the auto workers’ union – and car manufacturers. During the financial crisis, the union made wage concessions to help the automobile companies stay in business. When business improved, wage increases were based on the reduced wages. Recent hires were paid less than a delivery driver for Amazon.
In the closing decades of the 19th century, neo-classical economists like Stanley Jevons, Francis Edgeworth, Leon Walras and Alfred Marshall cleaved Economics away from Political Economy in an effort to treat economics as a mechanistic science of exchange. They argued that an employee’s wage was just a factor of production like machines and land. They excluded from their analysis the political and legal constructs that protected private property and the social institutions that were a part of the community that surrounded firms and their employees. The wage was a component of the marginal cost to produce one more unit of whatever the company sold. Economists called it the marginal product of labor, or MPL.
There was a moral implication that employees were being paid their “fair share” of the cost to bring the next unit into production. This model suggested that employees who demanded higher wages wanted to be paid more than their marginal product, or more than they deserved. This provided moral justification and political appeal when employers clashed with employees over wages and working conditions. In 1877, railroad owners convinced West Virginia Governor Henry Mathews to provide state militia to end a workers’ strike (White, 2019, 347).
In the late 19th century there were few legal protections and no social insurance programs for workers. Today an employer acts as an insurance broker for a host of mandated government insurance programs. These include Social Security, unemployment insurance and workers’ compensation. An employer does not provide mandated benefits for free. They are included in an employer’s labor costs and deducted from an employee’s wage. Neither employer nor employee have any choice in these government mandated insurances. The choice an employee does have is how much they must pay their employer for income stability. The employer may charge that fee in many ways. These include a lower wage or the expectation that employees will work varying shifts or staggered hours. The employer may include other working conditions in the employment bargain that require compromise from the employee. This is all part of the insurance premium that an employer charges for providing future income certainty.
An employee’s choice whether to pay that insurance premium is bounded by their expectations, personal circumstances and the broader economy. An employee who asks for a higher wage, refuses to work a varying schedule or declines working overtime risks negative consequences. If the job market looks poor, the employee is more likely to comply with employer demands. An employer calculates the degree of difficulty to replace that employee and the “domino effect” of a higher wage on other employees in the company. Employers may stress confidentiality but employees often spread news of a wage increase, or the lack of one, to their coworkers. This is a series of opportunity cost calculations made by both employers and employees.
In the late 19th century, economists devised a mechanistic interpretation of human interaction that is still a component of economic studies today. Bargaining between parties is illustrated by supply-demand diagrams, Edgeworth boxes and other graphical teaching tools. Keynes’ 1936 General Theory is entirely founded on the principle that investors bargain with uncertainty but it wasn’t until the following decade that economists incorporated game theory into their analysis. Friedman’s 1953 paper was an exploration of the choices that underlay the dynamics of economic relationships. Like Keynes, Friedman was fascinated with the interaction between choice and chance in our lives. Chance is like being in a raft on a river. Our choices are like oars that help us navigate the perils of the moving water and the hidden rocks in our way. Throughout his life, Friedman pointed out the hidden aspects of our lives.
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Photo by Bluewater Sweden on Unsplash
Keywords: marginal product of labor, neoclassical economists, wages, insurance, uncertainty
White, R. (2019). The Republic for which it stands: The United States during reconstruction and the gilded age, 1865-1896. Oxford University Press.


