Evidence regarding cost behavior mostly comes from big listed companies. Cost behavior of SMEs, which are backbones of economy, is under-researched. This paper intends to fill this gap by providing evidence on cost stickiness from SMEs in an emerging economy. Cost stickiness refers to the notion that costs increase and decrease by differing magnitude for a specific change in the activity volume. Analyses of data for Turkish SMEs from 2013 to 2017 indicate that; total costs, cost of goods sold and selling, general and administrative costs are sticky in varying degrees. Cost stickiness of total costs and selling general and administrative costs reverses following a revenue decline period. The degree of stickiness of all cost categories is positively related to asset intensity and employee intensity while the degree of stickiness of total costs and cost of goods sold is negatively related to debt intensity. The degree of cost stickiness is higher for small revenue decreases than for greater revenue decreases. Finally, firms in different industries have different cost behaviors.

有关成本行为的证据主要来自大型上市公司。作为经济支柱的中小型企业的成本行为正在研究中。本文旨在通过提供新兴经济体中小型企业的成本粘性证据来填补这一空白。成本粘性是指对于活动量的特定变化，成本以不同的幅度增加和减少的概念。对2013年至2017年土耳其中小企业的数据分析表明：总成本，商品销售成本，总务和行政成本在不同程度上具有粘性。在收入下降期之后，总成本以及销售一般和管理成本的成本粘性会逆转。所有成本类别的粘性程度与资产强度和员工强度呈正相关，而总成本和已售商品成本的粘性程度与债务强度呈负相关。小额收入减少的成本粘性程度高于大额收入减少的成本粘性程度。最后，不同行业的公司具有不同的成本行为。