United States Secret Service combat cybercrime. Protection of the nation's highest elected leaders and other government officials remains the other key mission of the United States Secret Service. After the 1901 assassination of President William McKinley, Congress also directed the Secret Service to protect the President of the United States. The Secret Service is authorized by law to protect: The laws states that individuals other than the President, the Vice President (or other officer next in the order of succession to the Office of President), the President-elect, and the Vice President-elect may decline Secret Service protection, but the law neither allows nor disallows these
Cobweb model Cobweb model The cobweb model or cobweb theory is an economic model that explains why prices might be subject 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. Producers' expectations about prices are assumed to be based on observations of previous prices. Nicholas Kaldor analyzed the model in 1934, coining the term "cobweb theorem" (see Kaldor, 1938 and Pashigian, 2008), citing previous analyses in German by Henry Schultz and . The cobweb model is based on a time lag between supply