Why has the Chancellor increased the National Insurance contribution?

Why has the United States introduced a tariff on steel?
Romer, S. 2002. Why has the United States introduced a tariff on steel? Economics Today. 10 (2).

What are the changing characteristics of the unemployed?
Romer, S. 2002. What are the changing characteristics of the unemployed? Economics Today. 9 (3).

Should the railways be taken back into public ownership?
Romer, S. 2002. Should the railways be taken back into public ownership? Economics Today. 9 (4).

What's new in the economics of newspapers?
Romer, S. 2001. What's new in the economics of newspapers? Economics Today. 8 (4).

What factors influence the supply of nurses and teachers? Why is there a shortage?
Romer, S. 2001. What factors influence the supply of nurses and teachers? Why is there a shortage? Economics Today. 9 (2).

What are the main trends in the UK labour market?
Romer, S. 2001. What are the main trends in the UK labour market? Economics Today. 8 (3).

What are the economic lessons of the foot and mouth crisis?
Romer, S. 2001. What are the economic lessons of the foot and mouth crisis? Economics Today. 9 (1).