Labour costs in the aerospace industry: LMDI decomposition of aerospace manufacturing payrolls

• Authors: Machay Martin , Hajko Vladimír

Title variants

PL

Koszty pracy w przemyśle lotniczym: LMDI; rozkład płac za produkcję lotniczą

• Languages of publication: EN

Abstracts

EN

A novel approach to aggregated payroll data analysis using the logarithmic mean Divisia index decomposition is applied to the US Aerospace manufacturing industry during the period of 1998 to 2012, both in nominal and real terms. The period covered improves the understanding of how the aerospace manufacturing industry deals with severe economic blows in the area of the most important factor of production, namely labour. The decomposition was based on three factors: the wage effect, the size and the number effect. The results show that the wages are less influential than the restructuring processes when considering the aggregated payroll. Unlike what simple wage indices suggest, the wage effect in real terms contributed only to a moderate increase in payrolls by a factor of 1.15, which is about the same contribution resulting from the increasing number of firms in the industry. The cumulative size effect in the investigated period was about 0.647. The results show that the relatively stable real labour costs of the US aerospace industry were a consequence of the shrinking size of firms which compensated the growth of average wages.

PL

Nowatorskie podejście do zagregowanej analizy danych płacowych z wykorzystaniem średniej logarytmicznej rozkładu indeksu Divisia zostało zastosowane w przemyśle wytwórczym US Aerospace w latach 1998-2012, w ujęciu zarówno nominalnym, jak i realnym. Omawiany okres pozwala lepiej zrozumieć, jak przemysł lotniczy i kosmiczny radzi sobie z poważnymi ciosami gospodarczymi w obszarze najważniejszego czynnika produkcji, jakim jest praca. Dekompozycja opierała się na trzech czynnikach: efekcie płacowym, wielkości i efekcie liczbowym. Wyniki pokazują, że płace mają mniejszy wpływ niż procesy restrukturyzacyjne, jeśli wziąć pod uwagę zagregowane listy płac. W przeciwieństwie do tego, co sugerują proste indeksy płac, efekt płacowy w ujęciu realnym przyczynił się jedynie do umiarkowanego wzrostu wynagrodzeń o współczynnik 1,15, czyli mniej więcej o tyle samo, ile wynika z rosnącej liczby firm w branży. Łączny efekt wielkości w badanym okresie wyniósł około 0,647. Wyniki pokazują, że relatywnie stabilne realne koszty pracy w amerykańskim przemyśle lotniczym były konsekwencją zmniejszania się wielkości firm, co rekompensowało wzrost średnich płac.

Keywords

EN

LMDI; aerospace; payroll; wages

PL

lotnictwo; płace; wynagrodzenie

• Publisher: Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
• Journal: Ekonomia XXI Wieku
• Year: 2020
• Issue: 23
• Pages: 56-75

Contributors

author

Machay Martin

• Mendel University in Brno, Czech Republic

author

Hajko Vladimír

• Mendel University in Brno, Czech Republic

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