codebook / compustat_na / xrd

xrd // R&D Expense

Research and Development Expense (USD millions)

R&D expense; missing values are commonly treated as zero in finance research (debatable)

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attributes

datasetcompustat_na · Compustat North America Annual Fundamentals
typecontinuous
roleiv,control
data filemain
keywordsr&dresearchinnovation

Used in these research designs

Determinants of corporate leverageiv