Progressive degree of progressive tax rate depends on the type of Social welfare function and labour supply elasticity.

累进税率的累进程度取决于社会福利函数的类型和劳动供给弹性的大小。

youdao

One of its chief concerns is to ease the regulatory burden on small businesses, especially the Working Time Directive and other EU labour and welfare legislation.

BBC: Ed Miliband: PM's EU strategy 'incredibly dangerous'

"Certainly, in Britain's case, that remains reform of labour markets and welfare, investing in housing and transport and, above all, it means junking the rhetoric of austerity for an age of enterprise, " he added.

BBC: Boris Johnson defends City bankers on French radio

But those on the left are outraged by the idea of labour market reform and welfare cuts.

ECONOMIST: Schr?der still struggles