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Pork cycle. A schematic diagram of the pork cycle. In economics, the term pork cycle, hog cycle, or cattle cycle [1] describes the phenomenon of cyclical fluctuations of supply and prices in livestock markets. It was first observed in 1925 in pig markets in the US by Mordecai Ezekiel and in Europe in 1927 by the German scholar Arthur Hanau [ de].
Kitti's hog-nosed bat is small at about 29 to 33 mm (1.1 to 1.3 in) in length and 2 g (0.071 oz) in mass, [2] [3] hence the common name of "bumblebee bat". It is the smallest species of bat and may be the world's smallest mammal, depending on how size is defined.
Cobweb model. The cobweb model or cobweb theory is an economic model that explains why prices may be subjected to periodic fluctuations in certain types of markets. It describes cyclical supply and demand in a market where the amount produced must be chosen before prices are observed.
A motorcycle (motorbike, bike, or, if three-wheeled, a trike) is a two or three-wheeled motor vehicle steered by a handlebar from a saddle-style seat. [1] [2] [3] Motorcycle designs vary greatly to suit a range of different purposes: long-distance travel, commuting, cruising, sport (including racing), and off-road riding.
IOE engine. Yale IOE engine from 1911. The intake/inlet over exhaust, or "IOE" engine, known in the US as F-head, is a four-stroke internal combustion engine whose valvetrain comprises OHV inlet valves within the cylinder head and exhaust side-valves within the engine block. [1]
Harley-Davidson, Inc. / 43.04611°N 87.96000°W / 43.04611; -87.96000. Harley-Davidson, Inc. ( H-D, or simply Harley) is an American motorcycle manufacturer headquartered in Milwaukee, Wisconsin, United States. Founded in 1903, it is one of two major American motorcycle manufacturers to survive the Great Depression along with its ...
In 2015 eBay spun off PayPal to its shareholders, and PayPal became an independent company again. [2] [6] The company was ranked 143rd on the 2022 Fortune 500 of the largest United States corporations by revenue. [7] Since 2023 PayPal is a member of the MACH Alliance. [8] In 2018, PayPal became a jersey patch sponsor of the Phoenix Suns.
The hydrogen cycle consists of hydrogen exchanges between biotic (living) and abiotic (non-living) sources and sinks of hydrogen-containing compounds. Hydrogen (H) is the most abundant element in the universe. [1] On Earth, common H-containing inorganic molecules include water (H 2 O), hydrogen gas (H 2 ), hydrogen sulfide (H 2 S), and ammonia ...