write a summary about econ article

1.‘McEwenism’(read the PDF file 'mcewenism') 

2. the tariff cut of 1973  (read the PDF file ' 1929 -1974, only read the part of 1973)

3. the ‘oil price shock’ of the mid 1970s (read the PDF file ' 1929 -1974, only read the part of mid              1970)

follow the example PDF file that i upload, write the summary about those three parts. 130 words per part. 

ps: no need to read all of the article!