Explain What the Following Four Approaches to E- Purchasing Consist

question 157

Essay

Explain what the following four approaches to e- purchasing consist of: electronic data interchange, catalogue hubs, exchanges, and auctions.

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Definitions:

Interval Variables

Variables that have measurable distances between the values they can take, but do not have a true zero point.

Correlation Implies Causation

A logical fallacy that suggests if two variables are correlated, one variable must cause the other.

Kiliani-Fischer Synthesis

A chemical reaction used to synthesize monosaccharides by lengthening the carbon chain of an aldose.

Nucleophilic Carbon

A carbon atom possessing a partial negative charge, making it susceptible to attack by electrophiles.