@inproceedings{oai:kutarr.kochi-tech.ac.jp:00001030,
 author = {Sakakibara, Wataru and Wakaki, Koichi},
 book = {Society for Social Management Systems Internet Journal},
 issue = {1},
 month = {Mar},
 note = {In Japan, the construction investment market has been shrinking since its peak in 1990 when the investment value was 84,000,000,000,000 yen and it has shrunk down to a market of 48,000,000,000,000 yen in 2007, which is only 55% of the peak. However, the number of licensed building constructors and that of the workers in the industry has not caught up the market shrinkage at present. The number of licensed building constructors has decreased from 600,000 (2000), the peak, to only 520,000 (2007), which is 90% of that in the peak. Furthermore, the number of workers in the industry has decreased from 6,890,000 (1997), the peak, to only 5,620,000 (2007), which is just below 90% of that in the peak. Under such a circumstance, it is likely to become unable to avoid shakeouts / reorganizations in the construction industry ultimately. On the other hand, for some specific industries, it is known that there is a comparatively clear correlation between size of enterprises and profitability. For example, in the case of inland banks, when plotting each enterprise with profit ratio (current profit rate) in a vertical axis and size of enterprise (total capital used) in a horizontal axis, profit ratio becomes higher with an increase of size of enterprise to a certain level. However, when it exceeds the level, profit ratio turns worse and it rises again when it reaches at a next level. Such a tendency is called "fly fishing curve". This tendency is seen in the construction industry. It is necessary for construction companies whose profit ratio is severe to aim at expanding the size by integration or at shrinking the size by selection and centralization of specific segments. It will bring them a chance to find a direction of shakeouts / reorganizations in the construction industry.},
 publisher = {Society for Social Management Systems},
 title = {The Correlation Between Size Of Enterprises And Profitability In The Domestic Construction Companies},
 volume = {6},
 year = {2010}
}