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The National Motor Freight Classification (NMFC) is a North American voluntary standard that provides a comparison of commodities moving in interstate, intrastate and international commerce via freight shipment.
A shipping market cycle or shipping cycle is a particular type of economic cycle. These cycles correct markets when supply and demand are out of balance. Shipping markets are driven by freight rates, which can move up, move down or remain unchanged. Shipping cycles are therefore determined by the fluctuations of these freight rates.
Business cycles are a type of fluctuation found in the aggregate economic activity of nations that organize their work mainly in business enterprises: a cycle consists of expansions occurring at about the same time in many economic activities, followed by similarly general recessions, contractions, and revivals which merge into the expansion ...
The core of a network dataset is a vector layer of polylines representing the paths of travel, either precise geographic routes or schematic diagrams, known as edges. In addition, information is needed on the network topology , representing the connections between the lines, thus enabling the transport from one line to another to be modeled.
A paper document between a shipper and a carrier acknowledging the receipt of goods for transport. Usually describes the nature of the cargo; hazardous materials classification (if any); amount of cargo by weight, size, and/or number of pallets, boxes, barrels, etc; and the origin and destination of the cargo.
Given a bipartite graph G = (A ∪ B, E), the goal is to find the maximum cardinality matching in G that has minimum cost. Let w: E → R be a weight function on the edges of E. The minimum weight bipartite matching problem or assignment problem is to find a perfect matching M ⊆ E whose total weight is minimized. The idea is to reduce this ...
Based on his observations of the explicit cyclical movement in the shipbuilding industry, Nobel Prize-winning economist Jan Tinbergen believes the so-called ‘durable goods cycle’ is a result of the lag of the upstream industries such as shipbuilding in response to the cycles in end users markets such as that in freight rates. [9]
A common property-carrying commercial vehicle in the United States is the tractor-trailer, also known as an "18-wheeler" or "semi".. The trucking industry serves the American economy by transporting large quantities of raw materials, works in process, and finished goods over land—typically from manufacturing plants to retail distribution centers.