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XI. The Ricardo Effect

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A key economic idea states that when wages go up, businesses often choose to use machines instead of hiring more workers. Many economists have talked about this idea, but it hasn't been explained very well. Some well-known economists have mentioned it, but their discussions weren't detailed enough. Critics say that while higher wages raise overall production costs, they do not change the benefits of different methods of production, which goes against the original idea. This difference of opinion shows a bigger problem in economic theory about understanding how the supply of real capital affects production and investment. It is important to study this idea more closely, especially looking at short-term effects and what happens when wages drop. A better explanation of this idea can help settle the disagreements among economists about how industries change over time and deal with economic ups and downs.

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The Ricardo effect explains how changes in wages compared to product prices can impact the profitability of different industries. Specifically, it asserts that if wages fall relative to product prices, industries that rely more on capital than labor will be affected differently than those that rely more on labor. The general assumption in this discussion is that wages remain constant while product prices rise, creating a situation where wages fall relative to those prices.

A rise in prices can occur due to increased demand, which may result from higher incomes resulting from investments. When product prices increase while wages stay the same, this affects the costs of producing goods across different industries. More importantly, such a scenario changes how profitable different methods of production become, even if the overall costs change uniformly due to wage adjustments.

To focus on this effect, it's assumed there is no lending occurring, meaning entrepreneurs are using their own capital without external financing. Initially, all firms have the same return on their capital. The challenge then is to analyze how unchanged wages and rising product prices influence how entrepreneurs allocate their funds between paying for labor and investing in machinery.

The “rate of turnover” is introduced as a measure of how quickly capital is reinvested. A firm might turn over its capital frequently or infrequently, which in turn affects profitability. For instance, firms that can quickly reinvest their capital should see a greater proportional profit from each turnover. Thus, when product prices rise, the profit margins for these firms increase, leading to higher rates of return.

A rise in prices can enhance profit margins for different firms, depending on their rate of turnover. For example, a firm with a high turnover will see a significant increase in profit margins compared to firms with lower turnover rates, even if the cost of production remains the same. This means the effective return on investment varies greatly between firms and industries depending on their structure.

After a price increase, if firms have varying rates of return on different types of capital, they will likely adjust their investments. Firms will tend to favor investments in assets that turn over more quickly to maximize returns. Over time, this readjustment will lead to a new equilibrium in internal rates of return across similar firms and industries.

In summary, the internal rates of return will be higher for industries that use less capital relative to labor. As different industries adjust their methods, we will see persistent differences in rates of return between them, but within a single firm, those rates will stabilize after the initial readjustments. Productions that adapt quickly to changing market conditions will likely maintain higher profitability, while those that don't will face downward pressure on returns.

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Changes in commodity prices can have a big impact on how companies decide to spend money on different types of capital assets in the short term. Many people think these changes are not important, but that is not true. While it takes time to change how much fixed capital and circulating capital is used, companies can quickly adjust their spending based on what is happening in the market.

When demand for products goes up, businesses have several ways to increase output besides just buying new machines. They might choose to use their current machines more intensely, work longer hours, or buy cheaper machines instead of expensive new ones. As prices rise, it can be profitable for companies to work overtime or use older machines to produce more quickly.

In some cases, businesses might decide to stop buying new machines altogether during periods of high prices, especially in industries that need custom equipment. These machines often require a lot of money upfront and may not provide returns immediately. This can lead to less demand for certain types of machinery and possibly cause job losses in the industries that make capital goods, especially if demand falls for specific machines. Overall, changes in prices can lead to rapid shifts in how companies invest their money, influencing production methods and job availability in the short term.

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Borrowing money is influenced by market-determined interest rates, which can complicate how firms access funds. Each firm faces limits on borrowing based on its own capital, as banks typically lend only a certain proportion of that capital and restrict borrowing from multiple banks at once. This situation means that firms often have to accept higher interest rates or tougher loan terms if they want to borrow more than their limit allows.

The economic outlook plays a significant role in borrowing capacity. A firm that can demonstrate good profit potential may be allowed to borrow more compared to others facing less favorable conditions. However, firms frequently want to borrow larger amounts than they can obtain at current interest rates, leading to limitations on their effective demand for credit.

The internal rates of return for firms are distinct and depend on their unique circumstances and borrowing capabilities, which may not align with the market interest rate. When firms face restrictions on borrowing, they might shift toward less capitalistic production methods because of insufficient credit availability. This dynamic suggests that variations in how credit is accessed and regulated can have broader effects on business practices and economic conditions, indicating the need for further exploration of these relationships.

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The idea that the supply of credit at a specific interest rate is perfectly elastic is unrealistic and complicates economic analysis. It highlights the relationship between monetary factors and the actual profitability of different production methods. If credit supply is perfectly elastic, it suggests that the money interest rate will dictate which investments are most profitable, based on two possible claims: one, that changes in wages or commodity prices will adjust to align with the money interest rate; or two, that even without such adjustments, the money rate will still determine investment choices.

Both claims assume a condition of continuous change rather than equilibrium, meaning prices and incomes will continually shift due to changes in credit. This situation is marked by disequilibrium, where two competing forces affect prices differently. On one hand, the output of consumer goods and spending habits set a ratio between the prices of factors like labor and commodities. On the other hand, an elastic money supply is trying to fix these prices in another way.

Furthermore, an increase in money supply impacts the relationship between the prices of labor and commodities, often creating distortions. However, just as liquid in a vessel will level out, an increase in money for production factors will eventually affect the prices of consumer goods too. The extent to which this can happen is limited by how quickly increases in income lead to rising demand for consumer goods.

In a new country with low capital, lowering the money rate could push wages up, theoretically matching the value of labor’s expected output. However, if the supply of goods doesn’t match this wage increase, real wages cannot rise to the expected levels. This situation is similar in established economies during a boom, where rising money wages eventually lead to higher commodity prices, preventing real wages from aligning with lower money interest rates. Overall, the availability of goods limits the real wage increases despite investments being encouraged by low interest rates.

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The discussion focuses on how real wages, investment, and interest rates are related. It suggests that if the prices of goods keep rising and there’s a lot of money available at a fixed interest rate, businesses might invest too much, leading to fewer consumer goods. This could cause problems because people would not have enough products to buy, potentially starving those who depend on these goods. Such an extreme situation seems unrealistic, and it is likely that other factors will prevent it from happening.

Some economists believe that the rate of interest has a stronger influence on investment choices than wage levels. They argue that as long as there are enough funds available at a steady interest rate, companies will choose production methods that give them the highest current profit. However, this view oversimplifies the complex process of creating capital and ignores the time it takes for investments to start paying off. While investments may look promising for the future, the immediate costs of transitioning from one method of production to another are important to consider.

Companies have to decide how to allocate their labor when choosing how to produce goods. They might have the option of using their workers to produce consumer goods or machinery. Aiming for maximum profit might lead a company to shift workers towards making machinery, but this means lower immediate profits from consumer goods. The time it takes to obtain new machinery means that the potential profits from quickly producing goods need to be factored into their decisions.

There are significant challenges when it comes to resource availability. Even if there is an endless supply of money, the actual resources available—especially labor—are limited. This scarcity can create competition among businesses, driving up labor costs and complicating efforts to increase production of goods and machinery at the same time. The idea that there is an infinite supply of labor often overlooks the real constraints that exist.

For companies that produce everything in one place, attracting more labor to make machinery would require raising wages. However, not all companies can compete for limited labor in this way. If many firms try to demand more labor at the same time, wages will go up, affecting how different sectors manage their production needs. This could lead companies to focus more on producing consumer goods right away rather than investing in machinery for the future.

Entrepreneurs need to make careful decisions. They may want to produce quickly and buy new machinery at the same time, but market conditions usually push them to focus on earning immediate profits. This is important because they risk losing business to competitors if they don’t act quickly. The uncertainty about future profits makes these choices harder. Entrepreneurs might think it’s better to concentrate on short-term production needs and delay big investments until they have a clearer understanding of the market ahead.

In the end, as time goes on, the adjustments in these economic factors are likely to bring the market closer to a balanced state. As demand for consumer goods increases, it will influence how businesses invest and produce. Eventually, rising costs and changes in production strategies will become more obvious until the market stabilizes.

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Determining whether the Ricardo effect is real faces significant challenges due to the complexities of economic relationships. The concept of "real wages" typically refers to workers' wages compared to the prices of goods they buy. However, the focus here is on how labor costs relate to product prices from the perspective of entrepreneurs. This difference is crucial because while living costs are influenced mainly by agricultural prices, the prices of manufactured goods are more relevant for understanding the investment behaviors of businesses.

Statistical studies should primarily analyze how changes in wages and product prices affect investment in specific industries. Additionally, prices that manufacturers receive should be considered, as they tend to fluctuate more than retail prices. Another challenge is that the marginal product of labor can change with shifts in capital and labor combinations or technological advancements, which can complicate the analysis. When technology improves, it can similarly affect production rates and pricing, making it hard to discern what the original price relationships were. This intermingling of technological change and price variations creates a complex environment that complicates understanding the impact of these factors on investment attractiveness.