diff --git a/splink/blocking_analysis.py b/splink/blocking_analysis.py
new file mode 100644
index 0000000000..a88acd7caa
--- /dev/null
+++ b/splink/blocking_analysis.py
@@ -0,0 +1,6 @@
+def cumulative_comparisons_from_blocking_rules():
+    pass
+
+
+def count_comparisons_from_blocking_rule():
+    pass