Supermarket
History

Historically, the earliest retailers were peddlers who marketed their wares in the streets; however, by the 1920s, retail food sales in the United States had mostly shifted to small corner grocery stores. In that era, the standard retail grocery business model was for a clerk to fetch products from shelves behind the merchant's counter while customers waited in front of the counter, indicating the items they wanted. Most foods and merchandise did not come in individually wrapped consumer-sized packages, so the clerk had to measure out and wrap the precise amount desired. Merchants did not post prices, which forced customers to haggle and bargain with clerks to reach fair prices for their purchases. This business model had already been established in Europe for several centuries. It offered extensive opportunities for social interaction: many regarded this style of shopping as "a social occasion" and would often "pause for conversations with the staff or other customers".

These practices were by nature slow, had high labor intensity, and were quite expensive. The number of customers who could be attended to at one time was limited by the number of staff employed in the store. Shopping for groceries often also involved trips to multiple specialty shops, such as a greengrocer, butcher, bakery, fishmonger and dry goods store, in addition to a general store. Milk and other items of short shelf life were delivered by a milkman.

The concept of an inexpensive food market relying on economies of scale was developed by Vincent Astor. He founded the Astor Market in 1915, investing $750,000 of his fortune into a 165′ by 125′ (50×38-metre) corner of 95th and Broadway, Manhattan, creating, in effect, an open-air mini-mall that sold meat, fruit, produce and flowers. The expectation was that customers would come from great distances ("miles around"), but in the end, even attracting people from ten blocks away was difficult, and the market folded in 1917.

The Great Atlantic & Pacific Tea Company (A&P), which was established in 1859, was an early grocery store chain in Canada and the United States. It became common in North American cities in the 1920s. Early chains like A&P did not sell fresh meats or produce. During the 1920s, to reduce the hassle of visiting multiple stores, U.S. grocery store chains like A&P introduced the combination store. This was a grocery store which combined several departments under one roof, but generally maintained the traditional system of clerks pulling products from shelves on request. By 1929, only one in three U.S. grocery stores was a combination store.

The concept of a self-service grocery store predates the supermarket; it was developed by entrepreneur Clarence Saunders at his Piggly Wiggly stores, the first of which opened in 1916. Saunders was awarded several patents for the ideas he incorporated into his stores. The stores were a financial success and Saunders began to offer franchises.

The general trend since then has been to stock shelves at night so that customers, the following day, can obtain their own goods and bring them to the front of the store to pay for them. Although there is a higher risk of shoplifting, the costs of appropriate security measures ideally will be outweighed by reduced labor costs.

Historically, there has been much debate about the origin of the supermarket. For example, Southern California grocery store chains Alpha Beta and Ralphs both have strong claims to being the first supermarket. By 1930, both chains were already operating multiple 12,000-square-foot (1,100 m) self-service grocery stores. However, as of 1930, both chains were not yet true supermarkets in the modern sense because their prices remained quite high; one of the most important defining features of the supermarket is cheap food. Their main selling point was free parking. Other strong contenders in Texas included Weingarten's and Henke & Pillot.

To end the debate, the Food Marketing Institute in conjunction with the Smithsonian Institution and with funding from H.J. Heinz, researched the issue. They defined the attributes of a supermarket as "self-service, separate product departments, discount pricing, marketing and volume selling". They determined that the first true supermarket in the United States was opened by a former Kroger employee, Michael J. Cullen, on 4 August 1930, inside a 6,000-square-foot (560 m) former garage in Jamaica, Queens in New York City. The store King Kullen, operated under the logic of "pile it high and sell it cheap". The layout was designed by Joseph Unger, who originated the concept of customers using baskets to collect groceries before checking out at a counter. Everything displayed for sale in the store "had prices clearly marked", meaning that consumers would no longer need to haggle over prices. Cullen described his store as "the world's greatest price wrecker". At the time of his death in 1936, there were seventeen King Kullen stores in operation. Although Saunders had brought the world self-service, uniform stores, and nationwide marketing, Cullen built on this idea by adding separate food departments, selling large volumes of food at discount prices and adding a parking lot.

Early supermarkets like King Kullen were called "cheapy markets" by industry experts at the time; this was soon replaced by the phrase "super market". The compound phrase was then closed up to become the modern term "supermarket".

Other established American grocery chains in the 1930s, such as Kroger and Safeway Inc. at first resisted Cullen's idea, but were eventually forced to build their own supermarkets as the economy sank into the Great Depression. American consumers became extraordinarily price-sensitive at a level never experienced before. Kroger took the idea one step further and pioneered the first supermarket surrounded on all four sides by a parking lot. Once the large chains joined the supermarket trend, the new retail format became widespread. The number of American supermarkets almost tripled from 1,200 in 32 states in 1936 to over 3,000 in 47 states in 1937. It was well over 15,000 by 1950. One sign of the supermarket format's success in slashing labor costs, overhead, and food prices was that the percentage of disposable income spent by American consumers on food plunged "from 21 percent in 1930 to 16 percent in 1940". The modern era of "cheap food" had begun.

As large chain stores began to dominate the American grocery landscape with their low overhead and low prices (while crushing numerous independent small stores along the way), a backlash to this radical alteration of food distribution infrastructure appeared in the form of numerous anti-chain campaigns. The idea of " monopsony ", proposed by Cambridge economist Joan Robinson in 1933, that a single buyer could outmaneuver a market of multiple sellers, became a strong anti-chain rhetorical device. With public backlash came political pressure to even the playing field for smaller vendors lacking the luxury of economies of scale. In 1936, the Robinson-Patman Act was implemented as a way of preventing such large chains from using their buying power to reap advantages over small stores, although the act was not well enforced and did not have much impact on such chains.

Supermarkets rapidly proliferated across both Canada and the United States with the growth of automobile ownership and suburban development after World War II. Most North American supermarkets are located in suburban strip shopping centers as an anchor store along with other smaller retailers. They are generally regional rather than national in their company branding. Kroger is the most nationally oriented supermarket chain in the United States, but it has preserved most of its regional brands, including Ralphs, City Market, King Soopers, Fry's, Smith's, and QFC.

In Canada, the largest such company is Loblaw, which operates stores under a variety of banners targeted to different segments and regions, including Fortinos, Zehrs, No Frills, the Real Canadian Superstore, and Loblaws, the foundation of the company. Sobeys is Canada's second largest supermarket with locations across the country, operating under many banners (Sobeys IGA in Quebec). Québec's first supermarket opened in 1934 in Montréal, under the banner Steinberg's.

In the United Kingdom, self-service shopping took longer to become established. Even in 1947, there were just ten self-service shops in the country. In 1951, ex-US Navy sailor Patrick Galvani, son-in-law of Express Dairies chairman, made a pitch to the board to open a chain of supermarkets across the country. The UK's first supermarket under the new Premier Supermarkets brand opened in Streatham, South London, taking ten times as much per week as the average British general store of the time. Other chains caught on, and after Galvani lost out to Tesco's Jack Cohen in 1960 to buy the 212 Irwin's chain, the sector underwent a large amount of consolidation, resulting in 'the big four' dominant UK of today: Tesco, Asda, Sainsbury's and Morrisons.

In the 1950s, supermarkets frequently issued trading stamps as incentives to customers. Today, most chains issue store-specific "membership cards", "club cards", or " loyalty cards ". These typically enable the cardholder to receive special members-only discounts on certain items when the credit card-like device is scanned at the checkout. Sales of selected data generated by club cards is becoming a significant revenue stream for some supermarkets.

Traditional supermarkets in many countries face intense competition from discounters such as Wal-Mart, Aldi and Lidl, which typically is non- union and operates with better buying power. Other competition exists from warehouse clubs such as Costco that offer savings to customers buying in bulk quantities. Superstores, such as those operated by Wal-Mart and Asda, often offer a wide range of goods and services in addition to foods. In Australia, Aldi, Woolworths and Coles are the major players running the industry with fierce competition among all the three. The rising market share of Aldi has forced the other two to cut prices and increase their private label product ranges. The proliferation of such warehouse and superstores has contributed to the continuing disappearance of smaller, local grocery stores, the increased dependence on the automobile, and suburban sprawl because of the necessity for large floor space and increased vehicular traffic. For example, in 2009 51% of Wal-Mart's $251 billion domestic sales were recorded from grocery goods. Some critics consider the chains' common practice of selling loss leaders to be anti-competitive. They are also wary of the negotiating power that large, often multinationals have with suppliers around the world.
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