Menu cost

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In economics, the menu cost is a cost that a firm incurs due to changing its prices. It is one microeconomic explanation of the price-stickiness of the macroeconomy put by New Keynesian economists. [1] The term originated from the cost when restaurants print new menus to change the prices of items. However economists have extended its meaning to include the costs of changing prices more generally. Menu costs can be broadly classed into costs associated with informing the consumer, planning for and deciding on a price change and the impact of consumers potential reluctance to buy at the new price. [2] Examples of menu costs include updating computer systems, re-tagging items, changing signage, printing new menus, mistake costs and hiring consultants to develop new pricing strategies. [3] At the same time, companies can reduce menu costs by developing intelligent pricing strategies, thereby reducing the need for changes. [4]

Contents

Menu costs are the costs incurred by the business when it changes the prices it offers customers. A typical example is a restaurant that has to reprint the new menu when it needs to change the prices of its in-store goods. So, menu costs are one factor that can contribute to nominal rigidity. Firms are faced with the decision to alter prices frequently as a result of changes in the general price level, product costs, market structure, regulation and demand level. Despite frequent market changes, businesses may be hesitant to update prices to reflect these changes due to menu costs. If the menu cost outweighs the expected increase in revenue associated with the price change firms would prefer to exist in disequilibrium and stay at the original price level. [5] When the nominal price level remains constant despite market change is said that there is nominal rigidity or price stickiness in the market. For example, a restaurant should not change its prices until the price change generates enough additional revenue to cover the cost of printing a new menu. Thus, menu costs can create considerable nominal rigidity in other industries or markets, essentially amplifying their impact on the entire industry through a chain reaction of suppliers and distributors. [6]

History

The concept of the menu cost has originally introduced by Eytan Sheshinski and Yoram Weiss (1977) in their paper looking at the effect of inflation on the frequency of price changes. Sheshink and Weiss concluded that even fully anticipated inflation results in an actual menu cost for the business. They suggested that businesses will change prices in discrete jumps rather than continual changes when in an inflationary environment. [2] This justifies the fixed costs of changing prices when revenues are expected to increase. [7]

The idea of applying menu costs as an aspect of Nominal Price Rigidity was simultaneously put forward by several New Keynesian economists in 1985–1986. In 1985, Gregory Mankiw concluded that even small menu costs create inefficient price adjustment and push equilibrium below the point which is socially optimal. He further suggested that the subsequent loss of welfare far exceeds the menu cost that causes it. [5] Michael Parkin also put forward the idea. [8] George Akerlof and Janet Yellen put forward the idea that due to bounded rationality firms will not want to change their price unless the benefit is more than a small amount. [9] [10] This bounded rationality leads to inertia in nominal prices and wages which can lead to output fluctuating at constant nominal prices and wages. The menu cost idea was also extended to wages as well as prices by Olivier Blanchard and Nobuhiro Kiyotaki. [11]

The new Keynesian explanation of price stickiness relied on introducing imperfect competition with price (and wage) setting agents. [12] This started a shift in macroeconomics away from using the model of perfect competition with price taking agents to use imperfectly competitive equilibria with price and wage setting agents (mostly adopting monopolistic competition). Huw Dixon and Claus Hansen showed that even if menu costs were applied to a small sector of the economy, this would influence the rest of the economy and lead to prices in the rest of the economy becoming less responsive to changes in demand. [13]

In 2007, Mikhail Golosov and Robert Lucas found that the size of the menu cost needed to match the micro-data of price adjustment inside an otherwise standard business cycle model is implausibly large to justify the menu-cost argument. [14] The reason is that such models lack "real rigidity". [15] This is a property that markups do not get squeezed by large adjustment in factor prices (such as wages) that could occur in response to the monetary shock. Modern New Keynesian models address this issue by assuming that the labor market is segmented, so that the expansion in employment by a given firm does not lead to lower profits for the other firms. [16]

Magnitude of menu costs

When a company's menu costs a lot in economic markets, the price adjustment is usually major. The company would not engage in price adjustment if profit margins start to fall to the point where menu costs lead to more revenue losses. [17]

The type of company and the technology used determine factors that change prices and costs. For example, it may be necessary to reprint the latest menu, contact the distributor, to change the price list and the prices of items on the shelf. Menu costs in some industries may be small, but the scale may influence business decisions about whether to reprice. [18]

A 1997 study published by Harvard College and MIT used data from 5 multistore supermarket chains to investigate the magnitude of menu costs. They considered the cost of:

  1. Labour to change shelf prices
  2. Printing and delivering new labels [19]
  3. Mistakes during the changeover process
  4. Supervision during the changeover process

Results of the study showed that the menu cost was on average $105,887 per year, per store. This figure comprised 0.7% of revenue, 32.5% of net margins and $0.52/price change. Subsequently in order for updating prices to be beneficial the profitability of an item needed to decrease by more than 32.5%. The study concluded that menu costs have a magnitude large enough to be of macroeconomic significance. [20]

Factors influencing menu costs

Pricing regulation

Pricing and regulatory requirements such as requiring individual price stickers on each item can increase menu costs by increasing the time needed to update prices in stores physically. The study summarised above, which detailed the magnitude of menu costs in multistore supermarkets, also investigated the impact of pricing laws that required individual price tags to be placed on items. The study found that menu costs were 2.5 times higher for the store impacted by the local pricing requirements. Further, firms not subject to the requirements were found to change the prices of 15.6% of products every week compared to 6.3% of products in the chain subject to the laws. [20]

Number of product variants

A 2015 study published by the MIT Press, used data from a national retailer operating a large number of stores selling groceries, health and beauty products to investigate the impact of that the number of product variants has on the frequency of price change. The study concluded that cost increases led to price increases on 71.2% of occasions for products with a single variant compared to 59.8% of the time where there were seven or more variants. This result was linked with the increased price stickiness associated with the additional cost of labour required to change the price of multiple items. [3]

Industry/market

A shift to e-commerce has seen a decrease in menu costs. A study on the price setting of Amazon Fresh (an online grocery store) found that product prices of the online retailer are less rigid than the prices of traditional brick and mortar grocery stores. The study found that on average a product listed on Amazon Fresh had 20.4 price changes in a year and the median magnitude of these changes was 10%. The study suggests that decreased pricing rigidity could be attributable to automated pricing algorithms allowing businesses to respond in real time to market shocks. [21]

We may intuitively think that the relationship between menu cost and inflation rate may be very simple. A key prediction of any menu cost model is that the fraction of firms that re-price in a given time interval will increase with increases in the inflation rate. And for deflation, even large disinflations have small real effects if credibly carried out. [22] So, the higher the inflation rate, the lower the menu cost. The two may be a clear positive correlation.

But the actual situation may not be the case.

Mikhail Golosov et al. found in a 2007 study that the real cause of menu cost changes (i.e. menu price adjustments) comes from idiosyncratic shocks – kind of unexpected shocks. When the idiosyncratic shocks in the model are shut down, the frequency of price adjustments is roughly unchanged in high inflationary environments but it is much reduced when inflation is low. That is to say, in the context of stable high inflation, sellers will not frequently adjust menu prices. [23]

Mikhail Golosov et al. also explained the way in which idiosyncratic shocks work. Although idiosyncratic shocks may seem like a sudden change in price, their most important role is shocking to productivity or demand. That is to say, it is not simply a sudden increase in the amount of currency - therefore, the role of currency in influencing menu costs is neutral.

On the other hand, eventhough idiosyncratic shocks cause most of the price adjustments, new prices reflect both firm-level and aggregate shocks. Thus even a small inflationary shock, one which is not sufficient to lead to a price change on its own, is quickly reflected in new prices as firms react to other shocks.

To summarize, the essence of menu costs is the result of actual factors affecting the enterprise, rather than monetary factors. This is also why when discussing "Factors influencing menu costs" in the previous section of this article, only actual factors such as Pricing regulation, Number of product variables, and Industry/market are mentioned.

Analysing menu cost

Menu cost graph Menu cost.jpg
Menu cost graph

When to use menu cost

Consider a firm in a hypothetical economy, with a normally distributed graph describing the relationship between the price of its goods and the firm's corresponding profit. The firm seeks to maximise profit at the corresponding price value M.

Now suppose a shock to the market shifts the profit curve to a new theoretical model. The firm must decide whether to maintain price M with a suboptimal profit level A, or adjust the price to N, which corresponds to the new maximised profit level B. Let menu cost (the cost of adjusting prices) equal Z.

If Z < B − A, then the menu cost is less than the theoretical increase in profits and adjusting prices to N is economically profitable. [20]

Daily fluctuations in the economy lead to small shifts in firm structure, supply and demand affecting the profits curve. However, firms do not in turn adjust their prices constantly as Z acts as a buffer, making such small benefits economically unviable compared to the menu cost. [17]

Note that as Z approaches 0, prices will constantly adjust to match the optimal profit level from the shifting economy as there is no cost to do so. [21]

Finding menu cost

Menu cost encompasses the cost of informing consumers in the form of advertising and labour involved in repricing/ repackaging, as well as information cost for accurate profit curves and quantity demanded. [2]

Z(qi, rj, sk) = A(q1, . . .,qi) + L(r1, . . .,rj) + N(s1, . . ., sk)

where A, L, and N are advertising, labour and information respectively and i, j, k are integers equal to the number of variables required for each function (e.g. L(r1,r2) is the production function labour cost of repackaging using wage per hour and quantity of boxes as two variables, therefore, j = 2). Each firm will have a different set of A, L and N functions depending on their market and firm structure. It can be reported by examining the menu prices of the restaurants in detail.

See also

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References

  1. ↑ Gordon, Robert J. (1990). "What Is New-Keynesian Economics?". Journal of Economic Literature. 28 (3): 1115–1171. ISSN   0022-0515. JSTOR   2727103.
  2. 1 2 3 Sheshinski, Eytan; Weiss, Yoram (1977). "Inflation and Costs of Price Adjustment". Review of Economic Studies . 44 (2): 287–303. doi:10.2307/2297067. JSTOR   2297067.
  3. 1 2 Anderson, Eric; Jaimovich, Nir; Simester, Duncan (2015). "Price Stickiness: Empirical Evidence of the Menu Cost Channel". The Review of Economics and Statistics. 97 (4): 813–826. doi:10.1162/REST_a_00507. hdl: 1721.1/100494 . ISSN   0034-6535. JSTOR   43830279. S2CID   16854468.
  4. ↑ Pitt, Leyland F.; Berthon, Pierre; Watson, Richard T.; Ewing, Michael (March 2001). "Pricing strategy and the net". Business Horizons. 44 (2): 45–54. doi:10.1016/s0007-6813(01)80022-7. ISSN   0007-6813.
  5. 1 2 Mankiw, N. Gregory (1985). "Small Menu Costs and Large Business Cycles: A Macroeconomic Model of Monopoly". The Quarterly Journal of Economics . 100 (2): 529–538. doi:10.2307/1885395. JSTOR   1885395.
  6. ↑ Angeletos, George-Marios; Iovino, Luigi; La'O, Jennifer (2016-01-01). "Real Rigidity, Nominal Rigidity, and the Social Value of Information". American Economic Review. 106 (1): 200–227. doi:10.1257/aer.20110865. hdl: 1721.1/109191 . ISSN   0002-8282.
  7. ↑ Carlton, Dennis (January 1986). "The Rigidity of Prices". Cambridge, MA. doi: 10.3386/w1813 . S2CID   153540905.{{cite journal}}: Cite journal requires |journal= (help)
  8. ↑ Parkin, Michael (1986). "The Output-Inflation Trade-off When Prices Are Costly to Change". Journal of Political Economy . 94 (1): 200–224. doi:10.1086/261369. JSTOR   1831966. S2CID   154048806.
  9. ↑ Akerlof, George A.; Yellen, Janet L. (1985). "Can Small Deviations from Rationality Make Significant Differences to Economic Equilibria?". American Economic Review . 75 (4): 708–720. JSTOR   1821349.
  10. ↑ Akerlof, George A.; Yellen, Janet L. (1985). "A Near-rational Model of the Business Cycle, with Wage and Price Inertia". The Quarterly Journal of Economics . 100 (5): 823–838. doi:10.1093/qje/100.Supplement.823.
  11. ↑ Blanchard, O.; Kiyotaki, N. (1987). "Monopolistic Competition and the Effects of Aggregate Demand". American Economic Review . 77 (4): 647–666. JSTOR   1814537.
  12. ↑ Dixon, Huw (2001). "The Role of imperfect competition in new Keynesian economics" (PDF). Surfing Economics: Essays for the Inquiring Economist. New York: Palgrave. ISBN   0-333-76061-1.
  13. ↑ Dixon, Huw; Hansen, Claus (1999). "A Mixed Industrial Structure Magnifies the Importance of Menu Costs". European Economic Review . 43 (8): 1475–1499. doi:10.1016/S0014-2921(98)00029-4.
  14. ↑ Golosov, Mikhail; Lucas, Robert E. Jr. (2007). "Menu Costs and Phillips Curves". Journal of Political Economy . 115 (2): 171–199. CiteSeerX   10.1.1.498.5570 . doi:10.1086/512625. S2CID   8027651.
  15. ↑ Ball L. and Romer D (1990). Real Rigidities and the Non-neutrality of Money, Review of Economic Studies, volume 57, pages: 183-203
  16. ↑ Michael Woodford (2003), Interest and Prices: Foundations of a Theory of Monetary Policy. Princeton University Press, ISBN   0-691-01049-8.
  17. 1 2 Zbaracki, Mark J.; Ritson, Mark; Levy, Daniel; Dutta, Shantanu; Bergen, Mark (May 2004). "Managerial and Customer Costs of Price Adjustment: Direct Evidence from Industrial Markets". Review of Economics and Statistics. 86 (2): 514–533. doi:10.1162/003465304323031085. hdl: 10419/206841 . ISSN   0034-6535. S2CID   11482473.
  18. ↑ Levy, D.; Bergen, M.; Dutta, S.; Venable, R. (1997-08-01). "The Magnitude of Menu Costs: Direct Evidence from Large U. S. Supermarket Chains". The Quarterly Journal of Economics. 112 (3): 791–824. doi:10.1162/003355397555352. hdl: 10419/206762 . ISSN   0033-5533.
  19. ↑ "Menu Cost Savings: Transitioning from Printed Menus to Digital Menus". OrderNow Digital Menu. 2024-04-30. Retrieved 2024-04-30.
  20. 1 2 3 Levy, Daniel; Bergen, Mark; Dutta, Shantanu; Venable, Robert (1997-08-01). "The Magnitude of Menu Costs: Direct Evidence from Large U. S. Supermarket Chains*". The Quarterly Journal of Economics. 112 (3): 791–824. doi:10.1162/003355397555352. hdl: 10419/206762 . ISSN   0033-5533.
  21. 1 2 Hillen, Judith; Fedoseeva, Svetlana (2021-03-01). "E-commerce and the end of price rigidity?". Journal of Business Research. 125: 63–73. doi: 10.1016/j.jbusres.2020.11.052 . ISSN   0148-2963. S2CID   230576945.
  22. ↑ Almeida; Heitor; Marco Bonomo (2002). "Optimal State-dependent Rules, Credibility, and Inflation Inertia". Journal of Monetary Economics . 49: 1317–1336.
  23. ↑ Golosov, Mikhail; Robert E, Lucas Jr (2007). "Menu costs and Phillips curves". Journal of Political Economy . 155.2: 171–199.
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