建設業の収益性指標の分析ミクロデータに基づく建設業の構造分析 その2

摘要

In the recent Japan, some statistics and results of investigations which cover plenty of construction companies became available in the form of digital data. This research uses them, and analyzes and understands the overall picture of Japan's construction industry. Especially in this analysis, the Business-Evaluation results (BERs) created and released under the Construction Business Act is used. The number of micro data obtained as of March, 2012 was 147,152. A principal occupation ratio (POR) treats 80% or more as valid data of the construction industry. Furthermore, data with audit of the financial information of BERs is selected. The former data is set to 117,456 and the latter is set to 3,273. main construction work types and scale of enterprises on these two conditions. And they are compared with the value of construction industry indices in Financial Statements Statistics of Corporations (FSSC). By the latter data with audit of accounting, those indices have little scattering. And, profitability indices of large enterprises are stable compared with them of SMEs.%本稿は、カバレッジが比較的に高い近時点の経審データを使い、建設企業の収益性指標の代表値の算出(表4)を行い、そのうち、売上高総利益率、売上高経常利益率の分析を中心にしたものである。その際に①専業（建設業の専業比率80%以上）、②専業かつ経理監査あり、という条件でデータ抽出を行ってその違いに着目した考察を加えた。あわせて一部について資本金規模別や主要業種別に分析した。また、通常の経営分析が代表値のみを示すものが多い中で、とくに本稿では個別企業の経営データを散布図でプロットしたことや分散量を示したことが特徴といえる。