Moreover, whether severance pay must be disbursed or there is protection against unfair termination at the end of the contract and whether contracts can be terminated before the end date, with or without notice, clearly matters as regards the relative costs associated with different contracts. These are also key issues as regards labour market duality (see Section 1 above, as well as Bentolila et al., Second, standard fixed-term contracts and TWA employment represent only an - albeit important - fraction of temporary employment.