Economic growth is equal to: Group of answer choices real GDP plus national output. growth in total factor productivity plus growth in amounts of resources. GNP plus GDP. total factor productivity plus amounts of resources. total factor productivity minus marginal factor productivity.

Consider two similar industries, portal crane manufacturing (pcm) and forklift manufacturing (flm). the pcm industry has exactly three incumbents with annual sales of $800 million, $200 million and $100 million, respectively. the flm industry has also exactly three incumbents, with annual sales of $500 million, $450 million and $400 million, respectively. which industry is more likely to experience a higher level of rivalry?