I need a good answer on the topic of Economic problems. Please give me your suggestion that illustrations of technological enhancement would not comprise developing new because:
(i) Lighter and less costly and stronger aluminum alloys.
(ii) Florescent bulbs which are brighter and utilize less electricity.
(iii) Hybrid plants which doubled crop yields for semolina fettuccini. and
(iv) Laws which decreased rates of embezzlement and consumer fraud.