| Category |
Definition |
| Establishment size |
Average of the establishment's year t-1 and year t employment, e.g., for 2010, this includes 2009 and 2010. |
| Number of firms | For state level tables, a firm with establishments in multiple states be counted multiple times, once in each state, irrespective of the portion of the firm residing in that state. |
| Number of establishments | NA |
| Employment | March 12 of each year. |
| Denominator (Avg. employment this and prev. year) | Davis-Haltiwanger-Schuh (DHS) denominator. For time t, denom is the average of employment for times t and t-1. This variable attempts to prevent transitory shocks from creating a bias to the relationship between net growth from t-1 to t and size. |
| Establishments born | A count of establishments born during the last 12 months. |
| Establishments entry rate | 100 * Establishments born divided by establishment size. |
| Establishments exiting | A count of establishments exiting from within the cell during the last 12 months. |
| Establishments exit rate | 100 * (Establishments exiting at time t / by the average of estabs at t and t-1). |
| Job creation | Count of all jobs created within the cell over the last 12 months. |
| Jobs created by establishment births | Count of jobs created within the cell by establishment births over the last 12 months. |
| Jobs created by continuing establishments | Count of jobs created by continuing establishments over the last 12 months. |
| Job creation rate by establishment births | 100 * (Jobs created by establishment births over the last 12 months / Denominator) |
| Total job creation rate | 100 * (Job creation / Denominator) |
| Jobs destroyed | Count of all jobs destroyedover the last 12 months. |
| Jobs destroyed by establishment exit | Count of jobs destroyed by establishment exit over the last 12 months. |
| Jobs destroyed at continuing establishments | Count of jobs destroyed at continuing establishments over the last 12 months. |
| Job destruction rate by establishment exits | 100 * (Jobs destroyed by establishment exit / Denominator) |
| Total job destruction rate | 100 * (Jobs destroyed / Denominator) |
| Net job creation | Total job creation rate - Total job destruction rate |
| Net job creation rate | Total job creation rate + Total job destruction rate - Net job creation rate |
| Reallocation rate | Total job creation rate + Total job destruction rate - absolute (net_job_creation_rate) |
| Firm deaths | Count of firms that have exited in their entirety during the period. |
| Establishments associated with firm deaths | Count of establishments associated with firm deaths |
| Employment associated with firm deaths | Count of employment associated with firm deaths. |
