advantages:
- creating jobs (boosting local economy and employing more workers who contribute to tax)
- bring expertise and improve skills or workforce (introducing IT in developing countries)
- benefiting from economies of scale (cost per unit lowered through specialisation, large workforce means work divided and jobs done well)
- gaining technical economies with automated equipment
- achieving purchasing economies (buying in bulk for cheaper)
disadvantages:
accusations of...
- relying on deskilled jobs (low paid, repetitive assembly line work)
- not keeping profits in host country
- cutting corners (overlooking social responsibility)
- exploiting the workforce and environment
- exerting political muscle (may threaten to leave a country if deals aren't made on workforce or overheads)