Insider Trading. Insider trading is a poorly defined concept with roots in adverse selection theory and the efficient market hypothesis (EMH). The popular notion is that insiders have an unfair advantage because they possess materially significant and non-public information â an informational asymmetry.
In format, a letter of guarantee is normally a short document that addresses a specific transaction. The text contains data that establishes the identity of the buyer, his or her relationship with the bank, and the nature and general value of the asset that is pledged as collateral.
The definition of a guarantee is a promise that something will happen. An example of guarantee is a document stating that a new barbecue grill will be repaired free of charge for the first two years after purchase. Guarantee is defined as to state with confidence that something will happen. An example of guarantee is for a store to sign a document stating that they will repair a new computer free of charge for three years after purchase.